Bowenia serrulata (W.Bull) Chamb., Bot. Gaz. 54: 419. (1912).

Type Location(s): BAS: B. spectabilis var. serrulata

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Bowenia spectabilis Hook. ex Hook.f., Bot. Mag. 89: t. 5398. (1863).

Type Location(s): LT:Bot. Mag. 89: t. 5398 (1863)

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Ceratozamia alvarezii Pérez-Farr., Vovides & Iglesias, Novon 9(3) 410-413, fig. 1. (1999).

Type Location(s): HT:CHIP; IT:F, MEXU, MO

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Endangered A2acd; B1ab(i,iii,v)+2ab(i,iii,v); C1

Ceratozamia aurantiaca Pérez-Farr., Gut.Ortega, J.L.Haynes & Vovides, Taxonomy 1(3): 243-255. (2021).

Type Location(s): HT:HEM; IT:XAL

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia becerrae Pérez-Farr., Vovides & Schutzman, Bot. J. Linn. Soc. 146(1): 123-128, figs. 1-7. (2004).

Type Location(s): HT:XAL

Distribution: Mexico (Chiapas, Tabasco)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia brevifrons Miq., Tijdschr. Wis- Natuurk. Wetensch. Eerste Kl. Kon. Ned. Inst. Wetensch. 1(1): 41-42. (1847).

Type Location(s): NT:XAL

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Endangered A2c

Ceratozamia chamberlainii Mart.-Domínguez, Nic.-Mor. & D.W.Stev., Phytotaxa 317(1): 17-28. (2017).

Type Location(s): HT: CIB; IT: MEXU, NY

Distribution: Mexico (Hidalgo, Querétaro, San Luis Potosí)

IUCN Red List Conservation Status: Endangered A2c; B1ab(i,ii,iii)

Ceratozamia chimalapensis Pérez-Farr. & Vovides, Bot. J. Linn. Soc. 157(2): 169-175, figs. 1-4. (2008).

Type Location(s): HT:HEM; IT:MEXU, MO, XAL

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Endangered A3cd+4cd; B2ab(ii,iii,v)

Ceratozamia decumbens Vovides, Avendaño, Pérez-Farr. & Gonz.-Astorga, Novon 18(1): 109-114, fig. 1. (2008).

Type Location(s): HT:XAL; IT:HEM, MO

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Endangered A2c; B1ab(i,ii,iii,v)

Ceratozamia delucana Vázq.Torres, A.Moretti & Carvajal-Hern., Delpinoa 50-51: 129-133, figs. 1-5 (2008-2009 issued December 2013). (2013).

Type Location(s): HT:CIB; IT:XAL, XALU

Distribution: Mexico (Puebla, Veracruz)

IUCN Red List Conservation Status: Endangered A2cd; B1ab(i,ii,iii)

Ceratozamia dominguezii Pérez-Farr. & Gut.Ortega, Taxonomy 1(4): 345-349, figs. 2, 5-9. (2021).

Type Location(s): HT:HEM; IT:MEXU, XAL

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia euryphyllidia Vázq.Torres, Sabato & D.W.Stev., Brittonia 38(1): 17-26, figs. 1-5. (1986).

Type Location(s): HT:NY; IT:CHAPA, NY, XALU

Distribution: Mexico (Oaxaca, Veracruz)

IUCN Red List Conservation Status: Endangered A4cd; B1ab(iii,v)

Ceratozamia fuscoviridis W.Bull, Retail List [Bull] No. 154: 4. (1879).

Type Location(s): NT:K; ET:CIB

Distribution: Mexico (Hidalgo, Veracruz)

IUCN Red List Conservation Status: Endangered A2c; B1ab(i,ii,iii,iv,v)

Ceratozamia hildae G.P.Landry & M.C.Wilson, Brittonia 31(3): 422-424, fig. 1. (1979).

Type Location(s): HT:GH; IT:FTG, LSU, MEXU, MICH, NY, US

Distribution: Mexico (Querétaro, San Luis Potosí)

IUCN Red List Conservation Status: Critically Endangered A2acd

Ceratozamia hondurensis J.L.Haynes, Whitelock, Schutzman & R.S.Adams, Cycad Newslett. 31 (2-3): 16-21, figs. 1-2. (2008).

Type Location(s): HT:EAP; IT:MEXU, MO, NY

Distribution: Honduras (Atlántida)

IUCN Red List Conservation Status: Critically Endangered B1ab(i,ii,iii,iv,v)

Ceratozamia huastecorum Avendaño, Vovides & Cast.-Campos, Bot. J. Linn. Soc. 141(3): 395-398, figs. 1-2. (2003).

Type Location(s): HT:XAL

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)

Ceratozamia kuesteriana Regel, Bull. Soc. Imp. Naturalistes Moscou 30(1): 187-188, t. 3, fig. 6; t. 4, fig. 22. (1857).

Type Location(s): HT:LE; IT:U

Distribution: Mexico (Tamaulipas)

IUCN Red List Conservation Status: Critically Endangered A2cd

Ceratozamia latifolia Miq., Tijdschr. Wis- Natuurk. Wetensch. Eerste Kl. Kon. Ned. Inst. Wetensch. 1(1): 206. (1847).

Type Location(s): NT:NY; INT:MEXU, NY

Distribution: Mexico (San Luis Potosí)

IUCN Red List Conservation Status: Vulnerable A2cd

Ceratozamia leptoceras Mart.-Domínguez, Nic.-Mor., D.W.Stev. & Lorea-Hern., Phytokeys 156: 1-25. (2020).

Type Location(s): HT:CIB; IT: MEXU, NY

Distribution: Mexico (Guerrero)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia matudae Lundell, Lloydia 2(2): 75-76. (1939).

Type Location(s): HT:MICH; IT:MEXU, MICH

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Endangered B1ab(ii,iii,v)

Ceratozamia mexicana Brongn., Ann. Sci. Nat., Bot. ser. 3, 5: 7-8, t.. 1 1. (1846).

Type Location(s): LT:P

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Critically Endangered A2acd

Ceratozamia miqueliana H.Wendl., Index Palm.: 68. (1854).

Type Location(s): NT:NY

Distribution: Mexico (Chiapas, Tabasco, Veracruz)

IUCN Red List Conservation Status: Endangered A2acd; B2ab(iii,v); C2a(i)

Ceratozamia mirandae Vovides, Pérez-Farr. & Iglesias, Bot. J. Linn. Soc. 137(1): 81-85, figs. 1-2. (2001).

Type Location(s): HT:CHIP; IT:MEXU

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Endangered B1ab(iii,v); C1

Ceratozamia mixeorum Chemnick, T.J.Greg. & Salas-Mor., Phytologia 83(1): 47-52 (1997 publ. 1998). (1998).

Type Location(s): LT:XAL

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Endangered A2acd+4acd; B1ab(i,ii,iii,iv,v)

Ceratozamia morettii Vázq.Torres & Vovides, Novon 8(1): 87-90, fig. 1. (1998).

Type Location(s): HT:CIB; IT:CIB, MEXU, XAL

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Endangered A2c; B1ab(iii,v)

Ceratozamia norstogii D.W.Stev., Brittonia 34(2): 181-184, figs. 1-2. (1982).

Type Location(s): HT:NY; IT:F, US

Distribution: Mexico (Chiapas, Oaxaca)

IUCN Red List Conservation Status: Endangered A2acd; B1ab(iii,v)

Ceratozamia oliversacksii D.W.Stev., Mart.-Domínguez & Nic.-Mor., Kew Bull. (https://doi:10.1007/S12225-021-09992-X): 1-9 Figs 1,2,3a, 4. (2022).

Type Location(s): HT:CIB; IT:K, MEXU, NY

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia osbornei D.W.Stev., Mart.-Domínguez & Nic.-Mor., PhytoKeys 208: 68 (-69, figs. 5-6, 22). (2022).

Type Location(s): HT:NY [NY01340569]; IT: MO [MO04661737, 04661738]

Distribution: Belize (Cayo, Toledo)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia reesii Vovides, Pérez-Farr. & Gut.Ortega, Phytotaxa 575(3): 241 (224-252; figs. 1b, 2, 3, 4d-f, map). (2022).

Type Location(s): HT:HEM, IT:XAL

Distribution: Mexico (San Luis Potosí)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia robusta Miq., Tijdschr. Wis-Natuurk. Wetensch. Eerste Kl. Kon. Ned. Inst. Wetensch. 1(1): 42-43. (1847).

Type Location(s): NT:NY; INT:NY

Distribution: Guatemala (Alta Verapaz, Petén, Quiché, Huehuetenango, Izabal), Mexico (Chiapas)

IUCN Red List Conservation Status: Endangered A2acd

Ceratozamia rosea Pérez-Farr., Gut.Ortega & Vovides, Phytotaxa 595(1): 73-88 (79, figs. 6-11). (2023).

Type Location(s): HT:HEM;IT:CHIP, XAL

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia sabatoi Vovides, Vázq.Torres, Schutzman & Iglesias, Novon 3(4): 502-504, fig. 1. (1993).

Type Location(s): HT:XAL

Distribution: Mexico (Hidalgo, Querétaro)

IUCN Red List Conservation Status: Endangered A2acd; B1ab(i,ii,iii,v)

Ceratozamia sancheziae Pérez-Farr., Gut.Ortega & Vovides, Phytotaxa 500(3): 201-216, figs. 2 (a-f) & 7 (a-d). (2021).

Type Location(s): HT:HEM; IT: XAL, MEXU

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia santillanii Pérez-Farr. & Vovides, Syst. Biodivers. 7(4): 433-443, figs. 3, 7. (2009).

Type Location(s): HT:HEM; IT:MEXU, XAL

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Critically Endangered A3cd+4cd; B1ab(i,ii,iii,iv,v)

Ceratozamia schiblii Pérez-Farr. & Gut.Ortega, Taxonomy 2: 324–338. (2022).

Type Location(s): HT:HEM; IT:MEXU, XAL

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Not Evaluated

Ceratozamia subroseophylla Mart.-Domínguez & Nic.-Mor., Phytotaxa 268(1): 25-45. (2016).

Type Location(s): HT: CIB; IT: MEXU, NY

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Endangered B1ab(iii)

Ceratozamia tenuis (Dyer) D.W.Stev. & Vovides, Bot. Sci. 94(2): 419-429. (2016).

Type Location(s): BAS: Ceratozamia mexicana var. tenuis

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Endangered A2c; B1ab(i,ii,iii)

Ceratozamia totonacorum Mart.-Domínguez & Nic.-Mor., Brittonia 69(4): 518. [epublished 31 May 2017]. (2017).

Type Location(s): HT:CIB

Distribution: Mexico (Hidalgo, Puebla, Veracruz)

IUCN Red List Conservation Status: Vulnerable B1ab(iii)

Ceratozamia vovidesii Pérez-Farr. & Iglesias, Bot. J. Linn. Soc. 153(4): 393-400, figs. 1-6. (2007).

Type Location(s): HT:HEM; IT:CHIP, MEXU, MO, XAL

Distribution: Guatemala (Huehuetenango), Mexico (Chiapas)

IUCN Red List Conservation Status: Vulnerable D2

Ceratozamia whitelockiana Chemnick & T.J.Greg., Phytologia 79(1): 51-57 (1995 publ. 1996). (1996).

Type Location(s): LT:FTG; ILT:SBBG

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Endangered A2c; B1ab(i,ii,iii,v)

Ceratozamia zaragozae Medellín, Brittonia 15(2): 175-176, figs. 1-4. (1963).

Type Location(s): HT:SLPM; IT:ENCB, MICH

Distribution: Mexico (San Luis Potosí)

IUCN Red List Conservation Status: Endangered B1ab(v)

Ceratozamia zoquorum Pérez-Farr., Vovides & Iglesias, Bot. J. Linn. Soc. 137(1): 77-80, fig.1. (2001).

Type Location(s): HT:CHIP

Distribution: Mexico (Chiapas, Tabasco)

IUCN Red List Conservation Status: Critically Endangered A2acd

Cycas aculeata K.D.Hill & T.H.Nguyên, Bot. Rev. (Lancaster) 70(2): 149-150. (2004).

Type Location(s): HT:HN; IT:NSW

Distribution: Vietnam (Da Nang)

IUCN Red List Conservation Status: Vulnerable D2

Cycas aenigma K.D.Hill & A.Lindstr., Telopea 12(1): 130-132, fig. 3. (2008).

Type Location(s): HT:LBC

Distribution: Philippines (Palawan - cult.)

IUCN Red List Conservation Status: Not Evaluated

Cycas angulata R.Br., Prodr. Fl. Nov. Holland. 1: 348. (1810).

Type Location(s): HT:BM; IT:K

Distribution: Australia (Northern Territory, Queensland)

IUCN Red List Conservation Status: Least Concern

Cycas annaikalensis Rita Singh & P.Radha, Brittonia 58(2): 119-123, figs. 1-2. (2006).

Type Location(s): HT:CAL

Distribution: India (Kerala)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)+2ab(iii,v)

Cycas apoa K.D.Hill, Austral. Syst. Bot. 7(6): 553-554, fig. 9. (1994).

Type Location(s): HT:CANB; IT:A, BRI, LAE, L

Distribution: Indonesia (Maluku Utara, Nusa Tenggara Timur, Papua, Papua Barat), Papua New Guinea (West Sepik, Morobe)

IUCN Red List Conservation Status: Near Threatened

Cycas arenicola K.D.Hill, Telopea 5(2): 419-422. (1993).

Type Location(s): HT:NSW; IT:DNA

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Near Threatened

Cycas armstrongii Miq., Arch. Néerl. Sci. Exact. Nat. 3: 235-236. (1868).

Type Location(s): HT:U; IT: K, P

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Vulnerable A4cde

Cycas arnhemica K.D.Hill, Telopea 5(4): 693-696, fig. 1. (1994).

Type Location(s): HT:NSW; IT:DNA

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas badensis K.D.Hill, Telopea 7(1): 20-21, fig. 9. (1996).

Type Location(s): HT:BRI: IT:DNA

Distribution: Australia (Queensland [Badu and Moa Islands])

IUCN Red List Conservation Status: Near Threatened

Cycas baiseensis Y.Y.Huang, Y.C.Zhong & Z.F.Lu, Mem. New York Bot. Gard. 117: 504–518. (2018).

Type Location(s): HT:SZECH

Distribution: China (Guangxi)

IUCN Red List Conservation Status: Not Evaluated

Cycas balansae Warb., Monsunia 1: 179. (1900).

Type Location(s): LT:P; ILT:G-DC, G, K

Distribution: China (Guangxi), Vietnam (Lang Son, Quang Ninh, Thai Nguyen, Vinh Phuc)

IUCN Red List Conservation Status: Near Threatened

Cycas basaltica C.A.Gardner, For. Dep. Bull., W. Austral. 32: 31. (1923).

Type Location(s): HT:PERTH

Distribution: Australia (Western Australia)

IUCN Red List Conservation Status: Least Concern

Cycas beddomei Dyer, Trans. Linn. Soc. London, Bot. 2(5): 85-86, pl. 17. (1883).

Type Location(s): LT: K

Distribution: India (Andhra Pradesh)

IUCN Red List Conservation Status: Endangered B1ab(ii,iii,v)+2ab(ii,iii,v)

Cycas bifida (Dyer) K.D.Hill, Bot. Rev. (Lancaster) 70(2): 161-163. (2004).

Type Location(s): BAS: C. rumphii var. bifida

Distribution: China (Guangxi), Vietnam (Cao Bang, Lang Son, Tuyen Quang)

IUCN Red List Conservation Status: Vulnerable A2cd

Cycas bougainvilleana K.D.Hill, Austral. Syst. Bot. 7(6): 557-560, fig. 11. (1994).

Type Location(s): HT:NSW

Distribution: Papua New Guinea (Bougainville, New Britain), Solomon Islands

IUCN Red List Conservation Status: Near Threatened

Cycas brachycantha K.D.Hill, T.H.Nguyên & P.K.Lôc, Bot. Rev. (Lancaster) 70(2): 155-157, fig. 6. (2004).

Type Location(s): HT:HN

Distribution: Vietnam (Bac Kan)

IUCN Red List Conservation Status: Near Threatened

Cycas brunnea K.D.Hill, Telopea 5(1): 200-201, fig. 15. (1992).

Type Location(s): HT:DNA

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Near Threatened B1a

Cycas cairnsiana F.Muell., Fragm. (Mueller) 10(83): 63, 121. (1876).

Type Location(s): HT:MEL

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Cycas calcicola Maconochie, J. Adelaide Bot. Gard. 1(3): 175, fig. 1. (1978).

Type Location(s): HT:DNA

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas campestris K.D.Hill, Austral. Syst. Bot. 7(6): 538-540. (1994).

Type Location(s): HT:NSW

Distribution: Papua New Guinea (Central, Gulf)

IUCN Red List Conservation Status: Near Threatened B1b(iii,v)

Cycas canalis K.D.Hill, Telopea 5(4): 698-700, fig. 4a-d. (1994).

Type Location(s): HT:NSW

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas candida K.D.Hill, Telopea 10(2): 607-611, figs. 1-2. (2004).

Type Location(s): HT:NSW; IT:BRI, CANB, IBSC, K, NY, PE

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v)

Cycas cantafolia Jutta, K.L.Chew & Saw, Blumea 55(3): 249-252, figs. 1-2. (2010).

Type Location(s): HT:KEP

Distribution: Malaysia (Johor)

IUCN Red List Conservation Status: Not Evaluated

Cycas chamaoensis K.D.Hill, Brittonia 51(1): 58, fig. 6. (1999).

Type Location(s): HT:NSW

Distribution: Thailand (Chantaburi)

IUCN Red List Conservation Status: Critically Endangered A2ad; B1ab(i,ii,iv,v); C2a(i); D

Cycas changjiangensis N.Liu, Acta Phytotax. Sin. 36(6): 552-554, fig. 1. (1998).

Type Location(s): HT:IBSC

Distribution: China (Hainan)

IUCN Red List Conservation Status: Endangered A2acd+4acd; B1ab(iii,v)+2ab(iii,v)

Cycas chenii X.Gong & Wei Zhou, J. Syst. Evol. 53(6): 497. [epublished 15 Apr 2015]. (2015).

Type Location(s): HT:KUN

Distribution: China (Yunnan)

IUCN Red List Conservation Status: Not Evaluated

Cycas chevalieri Leandri, Fl. Indo-Chine 5(10): 1092. (1931).

Type Location(s): LT:P

Distribution: Vietnam (Ha Tinh, Nghe An, Quang Binh, Quang Tri)

IUCN Red List Conservation Status: Near Threatened

Cycas circinalis L., Sp. Pl. [Linnaeus] 2: 1188. (1753).

Type Location(s): LT:t. 19, in Rheede, Hort. Malab, 3 (1682)

Distribution: India (Andra Pradesh, Karnataka, Kerala, Maharashtra, Tamil Nadu)

IUCN Red List Conservation Status: Endangered A2acd

Cycas clivicola K.D.Hill, Brittonia 51(1): 62-63, fig. 8a-d, g-h. (1999).

Type Location(s): HT:NSW

Distribution: Cambodia, Malaysia (Kedah, Perak, Selangor), Thailand (Chumphon, Krabi, Narathiwat, Phangnga, Phuket, Prachin Buri, Rayong, Ranong, Trang), Vietnam (An Giang, Kien Giang)

IUCN Red List Conservation Status: Least Concern

Cycas collina K.D.Hill, T.H.Nguyên & P.K.Lôc, Bot. Rev. (Lancaster) 70(2): 142-144, fig. 2. (2004).

Type Location(s): HT:HN

Distribution: Vietnam (Son La)

IUCN Red List Conservation Status: Vulnerable A2cd+4cd; C1

Cycas condaoensis K.D.Hill & S.L.Yang, Bot. Rev. (Lancaster) 70(2): 178-179, fig. 14. (2004).

Type Location(s): HT:K

Distribution: Vietnam (Ba Ria-Vung Tau)

IUCN Red List Conservation Status: Vulnerable D2

Cycas conferta Chirgwin, J. Adelaide Bot. Gard. 15(2): 147. (1993).

Type Location(s): HT:DNA

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Near Threatened

Cycas couttsiana K.D.Hill, Telopea 5(1): 197-198, fig. 13. (1992).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Near Threatened

Cycas cupida P.I.Forst., Austrobaileya 6(1): 153, figs. 1-5. (2001).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Cycas curranii (J.Schust.) K.D.Hill, Proc. Third Int. Conf. Cycad Biol.: 150. (1995).

Type Location(s): BAS: C. circinalis subsp. riuminiana var. curranii

Distribution: Philippines (Palawan)

IUCN Red List Conservation Status: Critically Endangered A4acd; B2ab(ii,iii,v)

Cycas debaoensis Y.C.Zhong & C.J.Chen, Acta Phytotax. Sin. 35(6): 571. (1997).

Type Location(s): HT:PE; IT:GXF

Distribution: China (Guangxi)

IUCN Red List Conservation Status: Critically Endangered B2ab(i,ii,iii,iv,v)

Cycas desolata P.I.Forst., Austrobaileya 4(3): 345-352, figs. 1-5. (1995).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Cycas dharmrajii L.J.Singh, Nordic J. Bot. 35(1): 69–76. doi:10.1111/njb.01284. (2017).

Type Location(s): HT:CAL; IT: PBL

Distribution: India (Andaman and Nicobar Islands)

IUCN Red List Conservation Status: Not Evaluated

Cycas diannanensis Z.T.Guan & G.D.Tao, Sichuan Forest. Surv. Design 1995(4): 1. (1995).

Type Location(s): HT:IBSC

Distribution: China (Yunnan), ?N Vietnam

IUCN Red List Conservation Status: Vulnerable A2c; C1

Cycas distans P.I.Forst. & B.Gray, Austrobaileya 10(1): 74-84. (2017).

Type Location(s): HT:BRI

Distribution: Australia (Qld)

IUCN Red List Conservation Status: Endangered B1ab(iii)+2ab(iii)

Cycas divyadarshanii Khuraijam & Rita Singh, Cycads 5(1): 59-76. (2020).

Type Location(s): H:IPUH

Distribution: China (Yunnan), India (Manipur), Laos, Myanmar, Thailand (Chiang Mai, Kanchanaburi, Mae Hong Son, Phetchabun, Phrae, Sukhothai), Vietnam (Binh Dinh, Gia Lai, Kon Tum, Lam Dong, Ninh Thuan, Phu Yen, Quang Nam, Quang Ngai)

IUCN Red List Conservation Status: Not Evaluated

Cycas dolichophylla K.D.Hill, T.H.Nguyên & P.K.Lôc, Bot. Rev. (Lancaster) 70(2): 157-160, fig. 7. (2004).

Type Location(s): HT:HN

Distribution: China (Guangxi, Yunnan), ?Laos, Vietnam (Bac Kan, Cao Bang, Ha Giang, Hoa Binh, Lai Chau, Lao Cai, Ninh Binh, Son La, Thai Nguyen, Thanh Hoa, Tuyen Quang)

IUCN Red List Conservation Status: Near Threatened

Cycas edentata de Laub., Blumea 43(2): 372. (1998).

Type Location(s): HT:L

Distribution: Indonesia (Bali, Banten, Bengkulu, Jawa Barat, Jawa Tengah, Jawa Timur, Kepulauan Riau, Lampung, Sumatra Utara), Malaysia (Johore, Kedah, Malacca, Negri Sembilan, Pahang, Perak, Sabah, Sarawak, Terengganu), Myanmar, Philippines (Basilan, Cebu, Masbate, Davao del Sur, Davao Oriental, Oriental Mindoro, Negros Oriental, Palawan, Panay, Quezon, Sulu), Singapore (Changi), Thailand (Chumphon, Narathiwat, Phang Nga, Phuket, Satun, Trang, Trat), Vietnam (Kien Giang)

IUCN Red List Conservation Status: Near Threatened

Cycas elephantipes A.Lindstr. & K.D.Hill, Brittonia 54(4): 301, fig. 3 (2002 publ. 2003). (2003).

Type Location(s): HT:BKF

Distribution: Thailand (Chaiyaphum)

IUCN Red List Conservation Status: Endangered A2d; B1ab(v)

Cycas elongata (Leandri) D.Yue Wang, in Cycads in China (eds. F.X. Wang & H.B. Liang) : 51. (1996).

Type Location(s): BAS: C. pectinata var. elongata

Distribution: Vietnam (Binh Dinh, Khanh Hoa, Ninh Thuan, Phu Yen, Quang Ngai)

IUCN Red List Conservation Status: Endangered A2cd+4cd

Cycas falcata K.D.Hill, Kew Bull. 54(1): 209. (1999).

Type Location(s): HT:K

Distribution: Indonesia (Sulawesi Selatan, Sulawesi Tenggara)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Cycas ferruginea F.N.Wei, Guihaia 14(4): 300, fig. 1. (1994).

Type Location(s): HT:IBK

Distribution: China (Guangxi), Vietnam (Lang Son, Thai Nguyen)

IUCN Red List Conservation Status: Near Threatened

Cycas flabellata Agoo & Madulid & J.R.Callado, Mem. New York Bot. Gard. 117: 533-535, fig. 34-2. (2019).

Type Location(s): HT:PNH; IT:DLSUH

Distribution: Philippines (Davao Oriental, Misamis Oriental)

IUCN Red List Conservation Status: Not Evaluated

Cycas fugax K.D.Hill, T.H.Nguyên & P.K.Lôc, Bot. Rev. (Lancaster) 70(2): 145-146, figs. 2-3. (2004).

Type Location(s): HT:HN

Distribution: Vietnam (Phu Tho)

IUCN Red List Conservation Status: Critically Endangered A2cd; B1ab(i,ii,iii,iv,v)

Cycas furfuracea W.Fitzg., J. Proc. Roy. Soc. Western Australia 3: 108. (1918).

Type Location(s): LT:NSW

Distribution: Australia (WA)

IUCN Red List Conservation Status: Least Concern

Cycas glauca Hort. ex Miq., Comm. Phytogr.: 127. (1840).

Type Location(s): LT:U

Distribution: Timor-Leste, Indonesia (Nusa Tenggara Timur)

IUCN Red List Conservation Status: Data Deficient

Cycas guizhouensis K.M.Lan & R.F.Zou, Acta Phytotax. Sin. 21(2): 209-210. (1983).

Type Location(s): HT:GZAC; IT:PE

Distribution: China (Guangxi, Guizhou, Yunnan)

IUCN Red List Conservation Status: Vulnerable A4acd

Cycas hoabinhensis P.K.Lôc & T.H.Nguyên, Bot. Rev. (Lancaster) 70(2): 153-155, fig. 5. (2004).

Type Location(s): HT:HNU

Distribution: Vietnam (Ha Nam, Ha Tay, Hoa Binh, Ninh Binh)

IUCN Red List Conservation Status: Endangered A4cd

Cycas hongheensis S.Y.Yang & S.L.Yang ex D.Yue Wang, in Cycads in China (eds. F.X. Wang & H.B. Liang) : 62. (1996).

Type Location(s): HT:Panzhihua Inst. Hort.

Distribution: China (Yunnan)

IUCN Red List Conservation Status: Critically Endangered A2cd; C1

Cycas indica A.Lindstr. & K.D.Hill, Telopea 11(4): 481-483, fig. 3. (2007).

Type Location(s): HT:E

Distribution: India (Karnataka)

IUCN Red List Conservation Status: Not Evaluated

Cycas inermis Lour., Fl. Cochinch. 2: 632. (1793).

Type Location(s): HT:BM

Distribution: Laos (Khammouan), Vietnam (Da Nang, Dong Nai, Khanh Hoa, Quang Nam)

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Cycas javana (Miq.) de Laub. ex D.Yue Wang, in Cycads in China (eds. F.X. Wang & H.B. Liang) : 65. (1996).

Type Location(s): BAS: C. circinalis var. javana

Distribution: Indonesia (Jawa Barat, Jawa Tengah, Jawa Timur)

IUCN Red List Conservation Status: Endangered A4c

Cycas lacrimans A.Lindstr. & K.D.Hill, Telopea 12(1): 136-138, fig. 5. (2008).

Type Location(s): HT:NY

Distribution: Philippines (Davao Oriental)

IUCN Red List Conservation Status: Endangered B1ab(i,ii,iii,v)

Cycas lane-poolei C.A.Gardner, For. Dep. Bull., W. Austral. 32: 30-32, fig. e. (1923).

Type Location(s): HT:PERTH

Distribution: Australia (WA)

IUCN Red List Conservation Status: Least Concern

Cycas laotica Aver., T.H.Nguyên & S.K.Nguyên, Nordic J. Bot. [epublished 10 Sep 2014, DOI: 10.1111/njb.00498]. (2014).

Type Location(s): HT:NUOL; IT:LE, NHOL, Center for Plant Conservation

Distribution: Laos (Khammouan)

IUCN Red List Conservation Status: Not Evaluated

Cycas lindstromii S.L.Yang, K.D.Hill & T.H.Nguyên, Novon 7(2): 213-215, fig. 1. (1997).

Type Location(s): HT:FTG: IT:NSW

Distribution: Vietnam (Ba Ria-Vung Tau, Binh Thuan, Khanh Hoa, Ninh Thuan)

IUCN Red List Conservation Status: Endangered A2acd+4acd; B1ab(iii,v)

Cycas maconochiei Chirgwin & K.D.Hill, Telopea 7(1): 48-49, fig. 22. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas maconochiei subsp. lanata K.D.Hill, Telopea 7(1): 49-51. (1996).

Type Location(s): HT:DNA

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas maconochiei Chirgwin & K.D.Hill subsp. maconochiei , Telopea 7(1): 48-49, fig. 22. (1996).

Type Location(s): AUT

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Near Threatened

Cycas maconochiei subsp. viridis K.D.Hill, Telopea 7(1) : 51-52, fig. 23. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas macrocarpa Griff., Not. Pl. Asiat. 4: 11-14, pl. 362, fig. 2. (1854).

Type Location(s): HT:K

Distribution: Laos (Vientiane), Malaysia (Kelantan, Pahang, Terengganu), Thailand (Chantaburi, Chumphon, Narathiwat, Ranong)

IUCN Red List Conservation Status: Vulnerable A2c

Cycas media R.Br., Prodr. Fl. Nov. Holland. 1: 348. (1810).

Type Location(s): HT:BM

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Cycas media subsp. banksii K.D.Hill, Telopea 7(1): 15-16. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Cycas media subsp. ensata K.D.Hill, Telopea 7(1): 14-15, fig. 6. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Cycas media R.Br. subsp. media , Telopea 7(1): 12-14, fig. 5. (1996).

Type Location(s): AUT

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Cycas megacarpa K.D.Hill, Telopea 5(1): 188-189, fig. 5. (1992).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable A2c

Cycas micholitzii Dyer, Gard. Chron., ser. 3 38: 142-144, figs. 48-49. (1905).

Type Location(s): HT:K

Distribution: Laos (Champasak, Saravan), Vietnam (Dac Lak, Gia Lai, Kon Tum)

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Cycas micronesica K.D.Hill, Austral. Syst. Bot. 7(6): 554-556, fig. 10. (1994).

Type Location(s): HT:NSW

Distribution: Guam, Micronesia (Yap), Northern Mariana Islands (Rota), Palau

IUCN Red List Conservation Status: Endangered A4ace

Cycas mindanaensis Agoo, Madulid & J.R.Callado, Mem. New York Bot. Gard. 117: 531-533, fig. 34-1. (2019).

Type Location(s): HT:PNH; IT:DLSUH

Distribution: Phillippines (Davao Oriental, Davao del Norte)

IUCN Red List Conservation Status: Not Evaluated

Cycas montana A.Lindstr. & K.D.Hill, Telopea 12(3): 396-397, fig. 3. (2009).

Type Location(s): HT:BO

Distribution: Indonesia (Nusa Tenggara Timur)

IUCN Red List Conservation Status: Not Evaluated

Cycas multifrondis D.Yue Wang, in Cycads in China (eds. F.X. Wang & H.B. Liang) : 80. (1996).

Type Location(s): HT:SYS

Distribution: China (Yunnan)

IUCN Red List Conservation Status: Not Evaluated

Cycas multipinnata C.J.Chen & S.Y.Yang, Acta Phytotax. Sin. 32(3): 239, 480-481. (1994).

Type Location(s): HT:PE

Distribution: China (Yunnan), Vietnam (Yen Bai)

IUCN Red List Conservation Status: Endangered A2cd; B2ab(i,ii,iii,iv,v); C1

Cycas nathorstii J.Schust., in Engler, Pflanzenr. 99: 76, fig. 10e. (1932).

Type Location(s): LT:G

Distribution: India (Tamil Nadu), N Sri Lanka

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Cycas nayagarhensis Rita Singh, P.Radha & Khuraijam, Asian J. Conservation Biol. 4(1): 3-14, figs. 4-6. (2015).

Type Location(s): HT: CAL

Distribution: India (Odisha)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)

Cycas nitida K.D.Hill & A.Lindstr., Telopea 12(1): 142-143, fig. 6. (2008).

Type Location(s): HT:NSW

Distribution: Philippines (Albay, Cagayan, Quezon, Northern Samar)

IUCN Red List Conservation Status: Not Evaluated

Cycas nongnoochiae K.D.Hill, Brittonia 51(1): 60-62, fig. 7. (1999).

Type Location(s): HT:NSW

Distribution: Laos (Vientiane), Thailand (Nakhon Sawan)

IUCN Red List Conservation Status: Vulnerable A2d; B1ab(v)

Cycas ophiolitica K.D.Hill, Telopea 5(1): 190-191, fig. 7. (1992).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable A4c

Cycas orientis K.D.Hill, Telopea 5(4): 696-697, fig. 3. (1994).

Type Location(s): HT:NSW

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Cycas orixensis (Haines) Rita Singh & Khuraijam, Asian J. Conservation Biol. 4(1): 3-14, figs. 1-3. (2015).

Type Location(s): BAS: Cycas circinalis var. orixensis Haines

Distribution: India (Odisha)

IUCN Red List Conservation Status: Not Evaluated

Cycas pachypoda K.D.Hill, Bot. Rev. (Lancaster) 70(2): 176-178, fig. 13. (2004).

Type Location(s): HT:HN

Distribution: Vietnam (Binh Thuan, Ninh Thuan)

IUCN Red List Conservation Status: Critically Endangered A4acd

Cycas panzhihuaensis L.Zhou & S.Y.Yang, Acta Phytotax. Sin. 19(3): 335, t. 10, figs. 1-6; t. 11, figs. 1-10. (1981).

Type Location(s): HT:PE

Distribution: China (Sichuan, Yunnan)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Cycas papuana F.Muell., Descr. Notes Papuan Pl. 4: 71-72. (1876).

Type Location(s): LT:MEL

Distribution: Australia (Queensland [Prince of Wales Island]), Indonesia (Papua), Papua New Guinea (Western)

IUCN Red List Conservation Status: Near Threatened

Cycas pectinata Buch.-Ham., Mem. Wern. Nat. Hist. Soc. 5(2): 322-323. (1826).

Type Location(s): LT:K

Distribution: Bangladesh, Bhutan, India (Assam, Bihar, Meghalaya, Sikkim, West Bengal), Nepal

IUCN Red List Conservation Status: Vulnerable A2c

Cycas petraea A.Lindstr. & K.D.Hill, Brittonia 54(4): 299, fig. 1 (2002 publ. 2003). (2003).

Type Location(s): HT:BKF; IT: K, NSW, NY

Distribution: Laos (Vientiane),Thailand (Loei)

IUCN Red List Conservation Status: Near Threatened

Cycas platyphylla K.D.Hill, Telopea 5(1): 193-194, fig. 9. (1992).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered A4d

Cycas pranburiensis S.L.Yang, W.Tang, K.D.Hill & Vatch., Brittonia 51(1): 44-47, fig. 1. (1999).

Type Location(s): HT:K

Distribution: Thailand (Prachuap Khiri Khan)

IUCN Red List Conservation Status: Vulnerable D2

Cycas pruinosa Maconochie, J. Adelaide Bot. Gard. 1(3): 177-178, fig. 2. (1978).

Type Location(s): HT:DNA

Distribution: Australia (Northern Territory, WA)

IUCN Red List Conservation Status: Least Concern

Cycas pschannae R.C.Srivast. & L.J.Singh, Int. J. Curr. Res. Biosci. Plant Biol. 2 (8): 35-37. (2015).

Type Location(s): H—CAL

Distribution: India (Andaman and Nicobar Islands)

IUCN Red List Conservation Status: Not Evaluated

Cycas revoluta Thunb., Verh. Holl. Maatsch Weetensch. Haarlem 20(2): 424, 426-427. (1782).

Type Location(s): LT:UPS

Distribution: China (Fujian), Japan (Ryukyu Islands)

IUCN Red List Conservation Status: Least Concern

Cycas riuminiana Porte ex Regel, Gartenflora 12: 16-17. (1863).

Type Location(s): HT:LE

Distribution: Philippines (Bataan, Batanes, Batangas, Cagayan, Cavite, Isabela, Laguna, Pampanga)

IUCN Red List Conservation Status: Endangered A4acd; B2ab(ii,iii,iv)

Cycas rumphii Miq., Bull. Sci. Phys. Nat. Néerl. 2: 45. (1839).

Type Location(s): LT: t. 23, Rumphius Herb. Amb. 1741

Distribution: Australia (Ashmore Reef, Christmas Island), Indonesia (Jawa Timur, Kalimantan Barat, Maluku, Maluku Utara, Papua, Papua Barat, Sulawesi Utara, Sulawesi Tengah, Sulawesi Selatan, Sulawesi Tenggara), Papua New Guinea (East New Britain, Madang, New Ireland, West Sepik)

IUCN Red List Conservation Status: Near Threatened

Cycas sancti-lasallei Agoo & Madulid, Blumea 57(2): 131. (2012).

Type Location(s): HT:PNH

Distribution: Philippines (Misamis Oriental)

IUCN Red List Conservation Status: Critically Endangered B1ab(i,iii,v); C2a(ii)

Cycas saxatilis K.D.Hill & A.Lindstr., Telopea 12(1): 128-129, fig. 2. (2008).

Type Location(s): HT:L

Distribution: Philippines (Palawan)

IUCN Red List Conservation Status: Vulnerable D2

Cycas schumanniana Lauterb., Fl. Schutzgeb. Südsee: 154-155. (1900).

Type Location(s): LT:WRSL

Distribution: Papua New Guinea (Eastern Highlands, Madang, Morobe)

IUCN Red List Conservation Status: Near Threatened

Cycas scratchleyana F.Muell., Vict. Naturalist 2(2): 18-19. (1885).

Type Location(s): HT:MEL

Distribution: Australia (Queensland [Murray Island]), Indonesia (Maluku, Maluku Utara, Papua, Papua Barat), Papua New Guinea (Central, Gulf, Milne Bay, Western)

IUCN Red List Conservation Status: Near Threatened

Cycas seemannii A.Braun, Sitzungsber. Ges. Naturf. Freunde Berlin: 114-115. (1876).

Type Location(s): LT:K

Distribution: Fiji, New Caledonia, Tonga, Vanuatu

IUCN Red List Conservation Status: Vulnerable A4cd

Cycas segmentifida D.Yue Wang & C.Y.Deng, Encephalartos 43: 11-14. (1995).

Type Location(s): HT:SZG

Distribution: China (Guangxi, Guizhou, Yunnan), ?N Vietnam

IUCN Red List Conservation Status: Vulnerable A2c

Cycas semota K.D.Hill, Telopea 7(1): 23-26, fig. 11. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Cycas seshachalamensis P.V.C.Rao, N.V.S.Prasad, P.M.Babu, K.Prassad & Prasanna, Asian J. Conservation Biol. 5(1): 55-58, figs. 1-2. (2016).

Type Location(s): HT:CAL; IT: BSID

Distribution: India (Andhra Pradesh)

IUCN Red List Conservation Status: Not Evaluated

Cycas sexseminifera F.N.Wei, Guihaia 16(1): 1. (1996).

Type Location(s): HT:IBK

Distribution: China (Guangxi), Vietnam (Cao Bang, Ninh Binh, Thanh Hoa)

IUCN Red List Conservation Status: Near Threatened

Cycas siamensis Miq., Bot. Zeitung (Berlin) 21: 334. (1863).

Type Location(s): HT:U

Distribution: Cambodia, Laos (Champasak, Saravan), Myanmar, Thailand (Chachoengsao, Chaiyaphum, Chon Buri, Kanchanaburi, Lampang, Nakhon Ratchasima, Phetchabun, Ratchaburi, Sakon Nakhon, Tak, Uthai Thani, Uttaridit), Vietnam (Dac Lak, Gia Lai, Kon Tum, Nghe An, Tha

IUCN Red List Conservation Status: Vulnerable A2cd

Cycas silvestris K.D.Hill, Telopea 5(1): 181-182, fig. 1. (1992).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Cycas simplicipinna (Smitinand) K.D.Hill, Proc. Third Int. Conf. Cycad Biol.: 150. (1995).

Type Location(s): BAS: C. micholitzii var. simplicipinna

Distribution: China (Yunnan), Laos (Saravan), ?Myanmar, Thailand (Chiang Mai, Loei, Mae Hong Song, Phrae), Vietnam (Quang Tri)

IUCN Red List Conservation Status: Near Threatened

Cycas sphaerica Roxb., Fl. Ind. (Roxburgh) 3: 747. (1832).

Type Location(s): LT:BM

Distribution: India (Andhra Pradesh, Karnataka, Tamil Nadu)

IUCN Red List Conservation Status: Data Deficient

Cycas sundaica Miq. ex A.Lindstr. & K.D.Hill, Telopea 12(3): 408-410, fig. 6. (2009).

Type Location(s): HT:BO

Distribution: Indonesia (Nusa Tenggara Barat, Nusa Tenggara Timur)

IUCN Red List Conservation Status: Not Evaluated

Cycas szechuanensis W.C.Cheng & L.K.Fu, Acta Phytotax. Sin. 13(4): 81, t. 1, figs. 7-8. (1975).

Type Location(s): HT:PE

Distribution: China (Fujian, Guangdong)

IUCN Red List Conservation Status: Critically Endangered A2abcde; C1

Cycas taitungensis C.F.Shen, K.D.Hill, C.H.Tsou & C.J.Chen, Bot. Bull. Acad. Sin. 35(2): 135-138. (1994).

Type Location(s): HT:HAST

Distribution: China (Taiwan)

IUCN Red List Conservation Status: Endangered A3e; B1ab(v)

Cycas taiwaniana Carruth., J. Bot. 31: 1-3, pl. 331. (1893).

Type Location(s): HT:BM

Distribution: China (Fujian, Guangdong)

IUCN Red List Conservation Status: Endangered A2acd

Cycas tanqingii D.Yue Wang, in Cycads in China (eds. F.X. Wang & H.B. Liang) : 134, fig. 4. (1996).

Type Location(s): HT:SZG

Distribution: China (Yunnan), ?Vietnam (Lai Chau)

IUCN Red List Conservation Status: Near Threatened

Cycas tansachana K.D.Hill & S.L.Yang, Brittonia 51(1): 65-66. (1999).

Type Location(s): HT:NSW

Distribution: Thailand (Saraburi)

IUCN Red List Conservation Status: Critically Endangered A3cd+4cd; B1ab(i,ii,iii,v)

Cycas terryana P.I.Forst., Austrobaileya 8(3): 356-363, t.1, figs. 1-4. (2011).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Not Evaluated

Cycas thouarsii R.Br., Prodr. Fl. Nov. Holland: 347. (1810).

Type Location(s): ?HT:P

Distribution: Comoros, Kenya, Madagascar & Tanzania (Zanzibar & mainland)

IUCN Red List Conservation Status: Least Concern

Cycas tropophylla K.D.Hill & P.K.Lôc, Bot. Rev. (Lancaster) 70(2): 168-170, fig. 10. (2004).

Type Location(s): HT:HN

Distribution: Vietnam (Hai Phong, Quang Ninh)

IUCN Red List Conservation Status: Near Threatened

Cycas tuckeri K.D.Hill, Telopea 7(1): 20-23, fig. 10. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Cycas vespertilio A.Lindstr. & K.D.Hill, Telopea 12(1): 134-136, fig. 4. (2008).

Type Location(s): HT:LBC

Distribution: Philippines (Cebu, Iloilo, Leyte, Marinduque, Mindoro Oriental, Negros Oriental, Samar)

IUCN Red List Conservation Status: Not Evaluated

Cycas wadei Merr., Philipp. J. Sci. 60(3): 234-236, pls 1-4. (1936).

Type Location(s): LT:NY

Distribution: Philippines (Palawan)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)

Cycas xipholepis K.D.Hill, Telopea 7(1): 32-33, fig. 15. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Cycas yorkiana K.D.Hill, Telopea 7(1): 18-19, fig. 8. (1996).

Type Location(s): HT:NSW

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Near Threatened B1b(iii)

Cycas zambalensis Madulid & Agoo, Blumea 50(3): 519-522. fig. 1.. (2005).

Type Location(s): HT:PNH

Distribution: Philippines (Zambales)

IUCN Red List Conservation Status: Critically Endangered A4acd

Cycas zeylanica (J.Schust.) A.Lindstr. & K.D.Hill, Novon 12(2): 238. (2002).

Type Location(s): BAS: C. rumphii subsp. zeylanica

Distribution: India (Andaman and Nicobar Islands), S Sri Lanka

IUCN Red List Conservation Status: Critically Endangered A2ac

Dioon angustifolium Miq., Tijdschr. Wis- Natuurk. Wetensch. Eerste Kl. Kon. Ned. Inst. Wetensch. 1(1): 37-38. (1847).

Type Location(s): LT:K

Distribution: Mexico (Nuevo León, Tamaulipas)

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Dioon argenteum T.J.Greg., Chemnick, Salas-Mor. & Vovides, Bot. J. Linn. Soc. 141(4): 471-476, figs. 1-8. (2003).

Type Location(s): HT:XAL; IT:F, CAS, MEXU

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Dioon califanoi De Luca & Sabato, Brittonia 31(1): 170-172, figs. 2-3. (1979).

Type Location(s): HT:NAP; IT:ENCB, F, FI, G, MICH, NAP

Distribution: Mexico (Oaxaca, Puebla)

IUCN Red List Conservation Status: Endangered A2cd; B1ab(i,ii,iii,v)

Dioon caputoi De Luca, Sabato & Vázq.Torres, Brittonia 32(1): 44-46, figs. 3-4. (1995).

Type Location(s): HT:XALU; IT:ENCB, FI, MEXU, NAP

Distribution: Mexico (Oaxaca, Puebla)

IUCN Red List Conservation Status: Endangered A2acd

Dioon edule Lindl., Edwards’s Bot. Reg. 29: misc. 59-60. (1843).

Type Location(s): HT:CGE

Distribution: Mexico (Hidalgo, Querétaro, San Luis Potosí, Tamaulipas, Veracruz)

IUCN Red List Conservation Status: Near Threatened A2cd

Dioon holmgrenii De Luca, Sabato & Vázq.Torres, Brittonia 33(4): 552-554, figs. 1-2. (1981).

Type Location(s): HT:XALU; IT:ENCB, FI, MEXU, NAP, NY

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Vulnerable B1ab(iii)+2ab(iii)

Dioon mejiae Standl. & L.O.Williams, Ceiba 1(1): 36-38. (1950).

Type Location(s): HT:US; IT:EAP

Distribution: Honduras (Colón, Olancho, Yoro)

IUCN Red List Conservation Status: Endangered A2acd+3cd+4acd; B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)

Dioon merolae De Luca, Sabato & Vázq.Torres, Brittonia 33(2): 180-184, figs. 2-3. (1981).

Type Location(s): HT:NAP IT:FI, MEXU, NY, XALU

Distribution: Mexico (Chiapas, Oaxaca)

IUCN Red List Conservation Status: Vulnerable A2cd; C2a(i)

Dioon oaxacensis Gut.Ortega, Pérez-Farr. & Vovides, Phytotaxa 474(1): 51-61. (2020).

Type Location(s): HT:HEM

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Not Evaluated

Dioon planifolium Salas-Mor., Chemnick & T.J.Greg., Cact. Succ. J. (Los Angeles) 88(1): 35-42. (2016).

Type Location(s): HT:MEXU; IT: CAS, F, FTG, SERO, XAL

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Vulnerable C1; D2

Dioon purpusii Rose, Contr. U.S. Natl. Herb. 12(7): 260-261. (1909).

Type Location(s): HT:US; IT: F, NY).

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Endangered B1ab(v)

Dioon rzedowskii De Luca, A.Moretti, Sabato & Vázq.Torres, Brittonia 32(2): 225-229. (1980).

Type Location(s): HT:XALU IT: ENCB, FI, MEXU, NAP, NY)

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Endangered A2ac+4ac; B1ab(i,iii,iv,v)

Dioon salas-moralesiae Gut.Ortega & Pérez-Farr., Phytotaxa 528(2): 93-110, figs. 10-13. (2021).

Type Location(s): HT:HEM

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Not Evaluated

Dioon sonorense (De Luca, Sabato & Vázq.Torres) Chemnick, T.J.Greg. & Salas-Mor., Phytologia 83(1): 1-6 (1997 publ. 1998). (1998).

Type Location(s): BAS: D. tomasellii var. sonorense

Distribution: Mexico (Sinaloa, Sonora)

IUCN Red List Conservation Status: Endangered A2cd+4cd

Dioon spinulosum Dyer ex Eichler, Gart.-Zeitung (Berlin) 2: 411-413, 438-439, fig. 80. (1883).

Type Location(s): HT:K

Distribution: Mexico (Oaxaca, Veracruz)

IUCN Red List Conservation Status: Endangered A2acd+4acd; B1ab(iii,v)

Dioon stevensonii Nic.-Mor. & Vovides, Syst. Biodivers. 7(1): 73-79, figs. 1-2. (2009).

Type Location(s): HT:XAL; IT:MEXU)

Distribution: Mexico (Guerrero, Michoacán)

IUCN Red List Conservation Status: Endangered B1ab(ii,v); C2a(i)

Dioon tomasellii De Luca, Sabato & Vázq.Torres, Brittonia 36(3): 225-227, figs. 2-5. (1984).

Type Location(s): HT:NAP; IT:ENCB, MEXU, NY, XALU

Distribution: Mexico (Durango, Jalisco, Nayarit, Sinaloa)

IUCN Red List Conservation Status: Vulnerable A2cd

Dioon vovidesii Gut.Ortega & Pérez-Farr., Phytotaxa 369(2): 109. 2018 [epublished 13 Sep 2018]. (2018).

Type Location(s): HT:HEM; IT: XAL, MEXU

Distribution: Mexico (Sonora)

IUCN Red List Conservation Status: Not Evaluated

Encephalartos aemulans Vorster, S. African J. Bot. 56(2): 239-243. (1990).

Type Location(s): HT:PRE; IT:FTG, K, LE, MO

Distribution: South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Critically Endangered B1ab(v)+2ab(v)

Encephalartos altensteinii Lehm., Nov. Stirp. Pug. 6: 11, t. 4-5. (1834).

Type Location(s): ?LT:tt. 4-5

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Vulnerable A2acd

Encephalartos aplanatus Vorster, S. African J. Bot. 62: 57-60. (1996).

Type Location(s): HT:PRE

Distribution: Eswatini, Mozambique

IUCN Red List Conservation Status: Vulnerable A2cd; B1ab(iii,v)+2ab(iii,v)

Encephalartos arenarius R.A.Dyer, J. S. African Bot. 22(1): 1-4. (1956).

Type Location(s): HT:PRE; IT:GRA, K, NBG

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Endangered A2acd; B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v); C1

Encephalartos barteri Carruth. ex Miq., Arch. Néerl. Sci. Exact. Nat. 3: 243. (1868).

Type Location(s): IT:K

Distribution: Benin (Atakora, Borgou, Collines, Donga, Zou), Ghana, Nigeria (Kwara, Plateau), Togo

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Encephalartos barteri subsp. allochrous L.E.Newton, J. Linn. Soc., Bot. 77(2): 125-129. (1978).

Type Location(s): HT:K

Distribution: Nigeria (Plateau)

IUCN Red List Conservation Status: Endangered A2cd; B1ab(iii,v)

Encephalartos barteri Carruth. ex Miq. subsp. barteri , J. Linn. Soc., Bot. 77(2): 125-129. (1978).

Type Location(s): AUT

Distribution: Benin (Atakora, Borgou, Collines, Donga, Zou), Ghana, Nigeria (Kwara), Togo

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Encephalartos brevifoliolatus Vorster, S. African J. Bot. 62(1): 61-64. (1996).

Type Location(s): HT:PRE; IT:K

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Extinct in the Wild

Encephalartos bubalinus Melville, Kew Bull. 12(2): 252, fig. 4. (1957).

Type Location(s): HT:K; IT:B

Distribution: Kenya (Narok), Tanzania (Arusha)

IUCN Red List Conservation Status: Near Threatened

Encephalartos caffer (Thunb.) Lehm., Nov. Stirp. Pug. 6: 14. (1834).

Type Location(s): BAS: Cycas caffra

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Near Threatened A2cd; B2ab(iii,v)

Encephalartos cerinus Lavranos & D.L.Goode, Durban Mus. Novit. 14: 153– 156. (1989).

Type Location(s): HT:NH

Distribution: South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Critically Endangered A2acd; B1ab(i,ii,v)+2ab(i,ii,v); C2a(i,ii); D

Encephalartos chimanimaniensis R.A.Dyer & I.Verd., Kirkia 7: 147-158. (1969).

Type Location(s): HT:PRE

Distribution: Mozambique (Manica), Zimbabwe (Manicaland)

IUCN Red List Conservation Status: Endangered B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)

Encephalartos concinnus R.A.Dyer & I.Verd., Kirkia 7: 147-158. (1969).

Type Location(s): HT:PRE

Distribution: Zimbabwe (Matabeleland South, Midlands and Masvingo)

IUCN Red List Conservation Status: Critically Endangered A4acd

Encephalartos cupidus R.A.Dyer, Bothalia 10(2): 379-383. (1971).

Type Location(s): HT:PRE

Distribution: South Africa (Mpumalanga)

IUCN Red List Conservation Status: Critically Endangered A2acd+4acd; B1ab(ii,iii,v); C1+2a(i,ii)

Encephalartos cycadifolius (Jacq.) Lehm., Nov. Stirp. Pug. 6: 13. (1834).

Type Location(s): BAS: Z. cycadifolia

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Least Concern

Encephalartos delucanus Malaisse, Sclavo & Crosiers, Ann. Gembloux 98(2): 153-155, fig. 1. (1992).

Type Location(s): HT:BR

Distribution: Tanzania (Katavi)

IUCN Red List Conservation Status: Endangered C2a(i)

Encephalartos dolomiticus Lavranos & D.L.Goode, Bull. Jard. Bot. Natl. Belg. 58(1-2): 219-224. (1988).

Type Location(s): HT:NH; IT:MO

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Critically Endangered A2acd+4ad; B2ab(i,ii,iv,v); C1+2a(i); D

Encephalartos dyerianus Lavranos & D.L.Goode, Bull. Jard. Bot. Natl. Belg. 58(1-2): 219-224. (1988).

Type Location(s): HT:PRE

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Critically Endangered B1ab(v)+2ab(v)

Encephalartos equatorialis P.J.H.Hurter, S. African J. Bot. 61(4): 226-229. (1995).

Type Location(s): HT:PRE

Distribution: Uganda (Eastern)

IUCN Red List Conservation Status: Critically Endangered B1ab(ii,iii,v)+2ab(ii,iii,v); C1

Encephalartos eugene-maraisii I.Verd., J. S. African Bot. 11(1): 1-3. (1945).

Type Location(s): HT:PRE

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Endangered A2ad+4ad; B1ab(v)

Encephalartos ferox G.Bertol, Mem. Reale Accad. Sci. Ist. Bologna 3: 264-265. (1851).

Type Location(s): ?

Distribution: Mozambique (Gaza, Inhambane, Maputo), South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Near Threatened A4cd

Encephalartos ferox subsp. emersus P.Rousseau, Vorster & A.E.van Wyk, Phytotaxa 204(2): 99-115. (2015).

Type Location(s): HT:PRE; IT:K, LMA, FTG, PRU

Distribution: Mozambique (Inhambane)

IUCN Red List Conservation Status: Critically Endangered B1ab(v)+2ab(v)

Encephalartos ferox subsp. ferox , Phytotaxa 204(2): 99-115. (2015).

Type Location(s): ?

Distribution: Mozambique (Gaza, Inhambane, Maputo), South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Near Threatened A4cd

Encephalartos friderici-guilielmi Lehm., Nov. Stirp. Pug. 6: 8, tt. 1-3. (1834).

Type Location(s): ?LT:tt. 1-3

Distribution: South Africa (E Cape, KwaZulu-Natal)

IUCN Red List Conservation Status: Near Threatened A2ac+4ac

Encephalartos ghellinckii Lem., Ill. Hort. 14, misc.: 80-81; 15: pl. 567. (1867).

Type Location(s): ?NT—pl. 567 in Hort. 15, misc. (1868)

Distribution: South Africa (E Cape, KwaZulu-Natal)

IUCN Red List Conservation Status: Vulnerable C1

Encephalartos gratus Prain, Bull. Misc. Inform. Kew 1916: 181. (1916).

Type Location(s): LT:K

Distribution: Malawi (Mulanje), Mozambique (Zambézia)

IUCN Red List Conservation Status: Vulnerable A4cd

Encephalartos heenanii R.A.Dyer, Bothalia 10(4): 539-546. (1972).

Type Location(s): HT:PRE; IT:M, PRE, S

Distribution: Eswatini, South Africa (Mpumalanga)

IUCN Red List Conservation Status: Extinct in the Wild

Encephalartos hildebrandtii A.Braun & C.D.Bouché, Index Seminum Hort. Bot. Berol. 1874: 18. (1874).

Type Location(s): HT:B

Distribution: Kenya (Coast), Tanzania (Lushoto, Tanga, Zanzibar Island)

IUCN Red List Conservation Status: Near Threatened

Encephalartos hirsutus P.J.H.Hurter, S. African J. Bot. 62(1): 46-48, fig. 1. (1996).

Type Location(s): HT:PRE

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Critically Endangered A2ad; B2ab(v); C1+2a(i,ii); D

Encephalartos horridus (Jacq.) Lehm., Nov. Stirp. Pug. 6: 14. (1834).

Type Location(s): BAS: Z. horrida

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Endangered A2acd+4acd

Encephalartos humilis I.Verd., Bothalia 6(1): 220, 241, pl. 3. (1951).

Type Location(s): HT:PRE; IT:GRA, S

Distribution: South Africa (Mpumalanga)

IUCN Red List Conservation Status: Vulnerable A2acd+4acd; B1ab(iii,v)+2ab(iii,v)

Encephalartos inopinus R.A.Dyer, Bothalia 8(2): 169-170. (1964).

Type Location(s): HT:PRE; IT:B, LMA, M, NBG, PRE, S, SRGH

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Critically Endangered A2ad+4ad; B1ab(v)+2ab(v); C2a(i,ii); D

Encephalartos ituriensis Bamps & Lisowski, Mem. New York Bot. Gard. 57: 152-155. (1990).

Type Location(s): HT:BR; IT:POZG

Distribution: Democratic Republic of Congo (Orientale)

IUCN Red List Conservation Status: Vulnerable D1

Encephalartos kisambo Faden & Beentje, Utafiti 2(1): 7-10. (1989).

Type Location(s): HT:K; IT:BR, EA, MO, PRE, UPS, US, WAG

Distribution: Kenya (Taita-Taveta), Tanzania (Kilimanjaro, ?Morogoro)

IUCN Red List Conservation Status: Endangered B1ab(ii,iii,v)+2ab(ii,iii,v)

Encephalartos laevifolius Stapf & Burtt Davy, Man. Pl. Transvaal [Burtt Davy] 1: 40, 99. (1926).

Type Location(s): HT:K; IT:NH

Distribution: Eswatini, South Africa (E Cape, KwaZulu-Natal, Limpopo, Mpumalanga)

IUCN Red List Conservation Status: Critically Endangered A2acde; C1+2a(i,ii); D

Encephalartos lanatus Stapf & Burtt Davy, Man. Pl. Transvaal [Burtt Davy] 1: 40, 99, fig. 4d. (1926).

Type Location(s): HT:K

Distribution: South Africa (Gauteng, Mpumalanga)

IUCN Red List Conservation Status: Vulnerable B1ab(v)+2ab(v)

Encephalartos latifrons Lehm., Tijdschr. Natuurl. Gesch. Physiol. 4(4): 424, t.9. (1838).

Type Location(s): ?LT:t. 9

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Critically Endangered A2acd; C1+2a(i)

Encephalartos laurentianus De Wild., Ann. Mus. Congo Belge, Bot. sér. 5, 1(1): 10, t. 25. (1903).

Type Location(s): HT:BR

Distribution: Angola, Democratic Republic of Congo

IUCN Red List Conservation Status: Near Threatened B1a

Encephalartos lebomboensis I.Verd., Fl. Pl. Africa 27: pls. 1078-1079. (1949).

Type Location(s): HT:PRE; IT:BOL, NH

Distribution: Eswatini, Mozambique, South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Endangered A2acd; B1ab(ii,iii,v)+2ab(ii,iii,v)

Encephalartos lehmannii Lehm., Nov. Stirp. Pug. 6: 14. (1834).

Type Location(s): ?

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Vulnerable A2acd+4acd

Encephalartos longifolius (Jacq.) Lehm., Nov. Stirp. Pug. 6: 14. (1834).

Type Location(s): BAS: Z. longifolia

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Near Threatened A2ad; B1ab(v)

Encephalartos mackenziei L.E.Newton, Bot. J. Linn. Soc. 140(2): 187-192, figs. 1-6. (2002).

Type Location(s): HT:EA

Distribution: South Sudan (Eastern Equatoria)

IUCN Red List Conservation Status: Near Threatened

Encephalartos macrostrobilus S.Jones & Wynants, Encephalartos 50: 13-17, figs. 1-2. (1997).

Type Location(s): HT:BR

Distribution: Uganda (Northern)

IUCN Red List Conservation Status: Endangered B1ab(iii,iv,v); C2a(i)

Encephalartos manikensis (Gilliland) Gilliland, Proc. Rhodesia Sci. Assoc. 37: 133-134. (1939).

Type Location(s): BAS: E. gratus var. manikensis

Distribution: Mozambique (Manica), Zimbabwe

IUCN Red List Conservation Status: Vulnerable A2acd

Encephalartos marunguensis Devred, Bull. Soc. Roy. Bot. Belgique 91: 104-110. (1958).

Type Location(s): HT:BR; IT:YBI

Distribution: Democratic Republic of Congo (Katanga)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Encephalartos middelburgensis Vorster, Robbertse & S.van der Westh., S. African J. Bot. 55(1): 122-126. (1989).

Type Location(s): HT:PRE; IT:K

Distribution: South Africa (Mpumalanga)

IUCN Red List Conservation Status: Critically Endangered A2acde; C1

Encephalartos msinganus Vorster, S. African J. Bot. 62(2): 67-70. (1996).

Type Location(s): HT:PRE; IT:FTG, K, LE, MO

Distribution: South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v); C2a(ii)

Encephalartos munchii R.A.Dyer & I.Verd., Kirkia 7: 147-158. (1969).

Type Location(s): HT:PRE; IT:SRGH

Distribution: Mozambique (Manica)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)+2ab(iii,v)

Encephalartos natalensis R.A.Dyer & I.Verd., Bothalia 6(1): 205-211, pls 1-3. (1951).

Type Location(s): HT:PRE; IT:GRA, NH

Distribution: South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Vulnerable A2acd

Encephalartos ngoyanus I.Verd., Fl. Pl. Africa 27: pls 1053-1054. (1949).

Type Location(s): ?HT:PRE

Distribution: Eswatini, Mozambique, South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v); C2a(i)

Encephalartos nubimontanus P.J.H.Hurter, Phytologia 78(6): 409-410, fig. 1. (1995).

Type Location(s): HT:PRE

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Extinct in the Wild

Encephalartos paucidentatus Stapf & Burtt Davy, Man. Pl. Transvaal [Burtt Davy] 1: 40, 99, fig. 4a. (1926).

Type Location(s): HT:PRE

Distribution: Eswatini, South Africa (Mpumalanga)

IUCN Red List Conservation Status: Vulnerable A2ac; B1ab(i,ii,iii,v)+2ab(i,ii,iii,v)

Encephalartos poggei Asch., Verh. Bot. Vereins Prov. Brandenburg 20: 35-36. (1878).

Type Location(s): ?

Distribution: Angola (Lunda Sul), Democratic Republic of Congo (Kasai-Occidental, Katanga)

IUCN Red List Conservation Status: Least Concern

Encephalartos princeps R.A.Dyer, J. S. African Bot. 31(2): 111-112, pl. 19. (1965).

Type Location(s): HT:PRE; IT:SAM

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Vulnerable A4acd; B1ab(iii,v)

Encephalartos pterogonus R.A.Dyer & I.Verd., Kirkia 7: 147-158. (1969).

Type Location(s): HT:PRE; IT:SRGH

Distribution: Mozambique (Manica)

IUCN Red List Conservation Status: Critically Endangered B1ab(ii,iii,v)

Encephalartos relictus P.J.H.Hurter, Bothalia 31(2): 197-199. (2001).

Type Location(s): HT:PRE

Distribution: Eswatini

IUCN Red List Conservation Status: Extinct in the Wild

Encephalartos schaijesii Malaisse, Sclavo & Crosiers, Bull. Jard. Bot. Natl. Belg. 62: 215-219. (1993).

Type Location(s): HT:BR

Distribution: Democratic Republic of Congo (Lualaba), Zambia (North-Western)

IUCN Red List Conservation Status: Vulnerable B1ab(ii,iii,v)+2ab(ii,iii,v)

Encephalartos schmitzii Malaisse, Bull. Jard. Bot. Natl. Belg. 39(4): 401-406. (1969).

Type Location(s): HT:BR

Distribution: Democratic Republic of Congo (Haut-Katanga), Zambia (Muchinga)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Encephalartos sclavoi A.Moretti, D.W.Stev. & De Luca, Mem. New York Bot. Gard. 57: 156-161. (1990).

Type Location(s): HT:K; IT:MO

Distribution: Tanzania (Tanga)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)+2ab(iii,v); D

Encephalartos senticosus Vorster, S. African J. Bot. 62(2): 76-79. (1996).

Type Location(s): HT:PRE; IT:FTG, K, LE, MO

Distribution: Eswatini, Mozambique, South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Vulnerable A2acd

Encephalartos septentrionalis Schweinf., Bot. Zeitung (Berlin) 29(20): 334. (1871).

Type Location(s): SYN—K

Distribution: Central African Republic, Democratic Republic of Congo (Orientale), South Sudan (Western Equatoria), Uganda (Northern)

IUCN Red List Conservation Status: Near Threatened

Encephalartos tegulaneus Melville, Kew Bull. 12(2): 249, fig. 3. (1957).

Type Location(s): HT:K; IT:B, BR, EA

Distribution: Kenya (Eastern, Rift Valley)

IUCN Red List Conservation Status: Least Concern

Encephalartos tegulaneus subsp. powysii Miringu & Beentje, J. E. Afr. Nat. Hist. 88: 35. (2000).

Type Location(s): HT:EA; IT:K

Distribution: Kenya (Eastern)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)+2ab(iii,v)

Encephalartos tegulaneus Melville subsp. tegulaneus , J. E. Afr. Nat. Hist. 88: 35. (1999).

Type Location(s): AUT

Distribution: Kenya (Rift Valley)

IUCN Red List Conservation Status: Least Concern

Encephalartos transvenosus Stapf & Burtt Davy, Man. Pl. Transvaal [Burtt Davy] 1: 40, 99, fig. 4b. (1926).

Type Location(s): HT:PRE; IT:K, NBG

Distribution: South Africa (Limpopo)

IUCN Red List Conservation Status: Near Threatened B1b(iii,v)+2b(iii,v)

Encephalartos trispinosus (Hook.) R.A.Dyer, J. S. African Bot. 31(2): 112-116, pl. 20. (1965).

Type Location(s): BAS: E. horridus var. trispinosus

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Vulnerable A2acd+4acd; B1ab(iii,v)+2ab(iii,v)

Encephalartos turneri Lavranos & D.L.Goode, Garcia de Orta, Ser. Bot. 7(1-2): 11-14. (1988).

Type Location(s): HT:LISC; IT:LISC, LMU, SRGH

Distribution: Mozambique (Nampula)

IUCN Red List Conservation Status: Least Concern

Encephalartos umbeluziensis R.A.Dyer, Fl. Pl. Africa 28: pl. 1100. (1951).

Type Location(s): HT:PRE; IT:GRA, M, NBG, NH

Distribution: Eswatini, Mozambique

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v); C1

Encephalartos villosus Lem., Ill. Hort. 14, misc.: 79-80; 15. (1867).

Type Location(s): ?

Distribution: Eswatini, South Africa (E Cape, KwaZulu-Natal)

IUCN Red List Conservation Status: Least Concern

Encephalartos whitelockii P.J.H.Hurter, Phytologia 78(6): 410-411, fig. 3. (1995).

Type Location(s): HT:PRE

Distribution: Uganda (Western)

IUCN Red List Conservation Status: Critically Endangered B1ab(ii,iii,v)+2ab(ii,iii,v)

Encephalartos woodii Sander, Gard. Chron., ser. 3 43: 257. (1908).

Type Location(s): ?

Distribution: South Africa (KwaZulu-Natal)

IUCN Red List Conservation Status: Extinct in the Wild

Lepidozamia hopei Regel, Gartenflora 25: 6. (1876).

Type Location(s): ?

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Lepidozamia peroffskyana Regel, Bull. Soc. Imp. Naturalistes Moscou 30(1): 184-185, fig. 21. (1857).

Type Location(s): HT:LE

Distribution: Australia (New South Wales, Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia cardiacensis P.I.Forst. & D.L.Jones, Fl. Australia 48: 717. (1998).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Macrozamia communis L.A.S.Johnson, Proc. Linn. Soc. New South Wales, ser. 2, 84(1): 98. (1959).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia concinna D.L.Jones, Fl. Australia 48: 718. (1998).

Type Location(s): HT:BRI

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia conferta D.L.Jones & P.I.Forst., Austrobaileya 4(2): 271-273, fig. 1. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable A2c; B1ab(iii,v)+2ab(iii,v)

Macrozamia cranei D.L.Jones & P.I.Forst., Austrobaileya 4(2): 273-275, fig. 2. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered C1

Macrozamia crassifolia P.I.Forst. & D.L.Jones, Austrobaileya 4(2): 275-276, fig. 3. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Macrozamia diplomera (F.Muell.) L.A.S.Johnson, Proc. Linn. Soc. New South Wales, ser. 2, 84(1): 98. (1959).

Type Location(s): BAS: Encephalartos spiralis var. diplomera

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia douglasii W.Hill ex F.M.Bailey, Syn. Queensl. Fl.: 500. (1883).

Type Location(s): LT:K

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia dyeri (F.Muell.) C.A.Gardner, Enum. Pl. Austral. Occ.: 3. (1930).

Type Location(s): BAS: Encephalartos dyeri

Distribution: Australia (Western Australia)

IUCN Red List Conservation Status: Least Concern

Macrozamia elegans K.D.Hill & D.L.Jones, Fl. Australia 48: 718. (1998).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Endangered B1ab(v)

Macrozamia fawcettii C.Moore, J. Proc. Roy. Soc. New S. Wales 17: 120. (1884).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Near Threatened B1ab(v)

Macrozamia fearnsidei D.L.Jones, Austrobaileya 3(3): 481. (1991).

Type Location(s): HT:CANB

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia flexuosa C.Moore, J. Proc. Roy. Soc. New S. Wales 17: 121. (1884).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Near Threatened B1ab(iii,v)+2ab(iii,v)

Macrozamia fraseri Miq., Monogr. Cycad.: 37. (1842).

Type Location(s): ?HT:MEL

Distribution: Australia (WA)

IUCN Red List Conservation Status: Least Concern

Macrozamia glaucophylla D.L.Jones, Fl. Australia 48: 718-719. (1998).

Type Location(s): HT:CANB; IT:BRI, MEL, NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia heteromera C.Moore, J. Proc. Roy. Soc. New S. Wales 17: 122. (1884).

Type Location(s): LT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia humilis D.L.Jones, Fl. Australia 48: 719. (1998).

Type Location(s): HT:CANB

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii)

Macrozamia johnsonii D.L.Jones & K.D.Hill, Telopea 5(1): 31. (1992).

Type Location(s): HT:CANB

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)+2ab(iii,v)

Macrozamia lomandroides D.L.Jones, Austrobaileya 3(3): 483. (1991).

Type Location(s): HT:CANB

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered A2cd

Macrozamia longispina P.I.Forst. & D.L.Jones, Fl. Australia 48: 717. (1998).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Near Threatened B1a+2a

Macrozamia lucida L.A.S.Johnson, Proc. Linn. Soc. New South Wales, ser. 2, 84(1): 102. (1959).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales, Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia macdonnellii (F.Muell. ex Miq.) A.DC., Prodr. [A. P. de Candolle] 16(2): 537. (1868).

Type Location(s): BAS: Encephalartos macdonnellii

Distribution: Australia (Northern Territory)

IUCN Red List Conservation Status: Least Concern

Macrozamia machinii P.I.Forst. & D.L.Jones, Austrobaileya 4(2): 276. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)+2ab(iii,v)

Macrozamia macleayi Miq., Arch. Néerl. Sci. Exact. Nat. 3: 250. (1868).

Type Location(s): ?HT:U

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia miquelii (F.Muell.) A.DC., Prodr. [A. P. de Candolle] 16(2): 535. (1868).

Type Location(s): BAS: Encephalartos miquelii

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia montana K.D.Hill, Fl. Australia 48: 717. (1998).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia moorei F.Muell., Australas. Chem. Druggist 4: 84. (1881).

Type Location(s): ?HT:MEL

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Near Threatened A2c

Macrozamia mountperriensis F.M.Bailey, Syn. Queensl. Fl. Suppl. 1: 50. (1886).

Type Location(s): NT:CANB

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Least Concern

Macrozamia occidua D.L.Jones & P.I.Forst., Austrobaileya 4(2): 278, fig. 5. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Vulnerable D2

Macrozamia parcifolia P.I.Forst. & D.L.Jones, Austrobaileya 4(2): 279-281, fig. 6. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v)

Macrozamia pauli-guilielmi W.Hill & F.Muell., Fragm. (Mueller) 1(4): 86. (1859).

Type Location(s): HT:MEL

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered A2cd

Macrozamia platyrhachis F.M.Bailey, Queensland Agric. J. 3: 356. (1898).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered B1ab(i,ii,iii,v)

Macrozamia plurinervia (L.A.S.Johnson) D.L.Jones, Austrobaileya 3(3): 484. (1991).

Type Location(s): BAS: M. pauli-guilielmi subsp. plurinervia

Distribution: Australia (New South Wales, Queensland)

IUCN Red List Conservation Status: Endangered B1ab(ii,iii,v)+2ab(ii,iii,v)

Macrozamia polymorpha D.L.Jones, Fl. Australia 48: 718. (1998).

Type Location(s): HT:CANB;IT:BRI,MEL,NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia reducta K.D.Hill & D.L.Jones, Fl. Australia 48: 718. (1998).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Least Concern

Macrozamia riedlei (Fisch. ex Gaudich.) C.A.Gardner, Enum. Pl. Austral. Occ.: 3. (1930).

Type Location(s): BAS: Cycas riedlei

Distribution: Australia (WA)

IUCN Red List Conservation Status: Least Concern

Macrozamia secunda C.Moore, J. Proc. Roy. Soc. New S. Wales 17: 120. (1884).

Type Location(s): LT:MEL

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Vulnerable B2ab(iii,v)

Macrozamia serpentina D.L.Jones & P.I.Forst., Austrobaileya 6(1): 90-92, figs. 20-21. (2001).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Near Threatened B1b(iii)

Macrozamia spiralis (Salisb.) Miq., Monogr. Cycad.: 36. (1842).

Type Location(s): BAS: Z. spiralis

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Endangered A2c

Macrozamia stenomera L.A.S.Johnson, Proc. Linn. Soc. New South Wales, ser. 2, 84(1): 106. (1959).

Type Location(s): HT:NSW

Distribution: Australia (New South Wales)

IUCN Red List Conservation Status: Near Threatened B1b(v)

Macrozamia viridis D.L.Jones & P.I.Forst., Austrobaileya 4(2): 281-283, fig. 7. (1994).

Type Location(s): HT:BRI

Distribution: Australia (Queensland)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v)

Microcycas calocoma (Miq.) A.DC., Prodr. [A. P. de Candolle] 16(2): 538. (1868).

Type Location(s): BAS: Zamia calocoma

Distribution: Cuba (Pinar del Río)

IUCN Red List Conservation Status: Critically Endangered C2a(i)

Stangeria eriopus (Kunze) Baill., Hist. Pl. (Baillon) 12: 68, in adnot.. (1892).

Type Location(s): BAS: Lomaria eriopus

Distribution: South Africa (E Cape, KwaZulu-Natal)

IUCN Red List Conservation Status: Vulnerable A2acd+4acd

Zamia acuminata Oerst. ex Dyer, Biol. Cent.-Amer., Bot. 3: 194. (1884).

Type Location(s): HT:C

Distribution: Costa Rica (San José)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)+2ab(iii,v)

Zamia amazonum D.W.Stev., Fl. Colombia (1983+) 21: 33, fig. 3. (2001).

Type Location(s): HT:INPA, I:COL, MO, NY, U

Distribution: Brazil (Amazonas), Colombia, (Amazonas, Vaupés), Ecuador (Morona-Santiago, Napo, Sucumbíos), Peru (Loreto), S Venezuela

IUCN Red List Conservation Status: Least Concern

Zamia amplifolia W.Bull ex Mast., Gard. Chron., n.s., 10(261): 810. (1878).

Type Location(s): LT:K; ILT:K

Distribution: Colombia (Valle del Cauca)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v)

Zamia angustifolia Jacq., Collectanea [Jacquin] 3: 263-265. (1791).

Type Location(s): NT:pl. 636 in Icon. Pl. Rar. [Jacquin] 3. 1792 (t.p. 1790)

Distribution: Bahamas (Eleuthera), Cuba (Guantánamo, Oriente, Santiago de Cuba)

IUCN Red List Conservation Status: Vulnerable A2c

Zamia boliviana (Brongn.) A.DC., Prodr. [A. P. de Candolle] 16(2): 540. (1868).

Type Location(s): BAS: Ceratozamia boliviana

Distribution: Bolivia (El Beni, Cochabamba, Santa Cruz), Brazil (Mato Grosso)

IUCN Red List Conservation Status: Least Concern

Zamia brasiliensis Calonje & Segalla, Phytotaxa 404 (1): 1-11. (2019).

Type Location(s): HT:UFMT;IT:INPA

Distribution: Brazil (Mato Grosso, Rondônia)

IUCN Red List Conservation Status: Not Evaluated

Zamia chigua Seem., Bot. Voy. Herald 6: 201-203, t. 43. (1854).

Type Location(s): LT:t. 43

Distribution: Colombia (Chocó, Valle del Cauca)

IUCN Red List Conservation Status: Near Threatened B1b(iii)+2b(iii)

Zamia cremnophila Vovides, Schutzman & Dehgan, Bot. Gaz. 149(3): 351. (1988).

Type Location(s): HT:MEXU; I:CSAT, FCME, MO, UAMIZ, XAL

Distribution: Mexico (Chiapas, Tabasco)

IUCN Red List Conservation Status: Endangered B1ab(v)

Zamia cunaria Dressler & D.W.Stev., Brittonia 45(1): 5-6, fig. 2. (1993).

Type Location(s): HT:NY; IT:F,FTG,K,MO,NY,PMA,U

Distribution: Panama (Colón, Panamá, Kuna de Wargandi, Kuna Yala)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)

Zamia decumbens Calonje, Meerman, M.P.Griff. & Hoese, J. Bot. Res. Inst. Texas 3(1): 31-41, figs. 1-3. (2009).

Type Location(s): HT:BRH; IT:FTG, MO, NY, XAL

Distribution: Belize (Cayo, Stann Creek, Toledo)

IUCN Red List Conservation Status: Endangered B1ab(v)+2ab(v); C2a(i)

Zamia disodon D.W.Stev. & Sabato, Fl. Colombia (1983+) 21: 38-40, fig. 4. (2001).

Type Location(s): HT:COL; IT:NY

Distribution: Colombia (Antioquia)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v); C2a(i)

Zamia dressleri D.W.Stev., Brittonia 45(1): 6, fig. 3. (1993).

Type Location(s): HT:NY; IT:FTG, MO, NY, PMA, U

Distribution: Panama (Colón, Kuna Yala)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)

Zamia elegantissima Schutzman, Vovides & R.S.Adams, Phytologia 85(6): 389 (1998 publ. 21 Aug. 2003). (2003).

Type Location(s): HT:MO; IT:PMA

Distribution: Panama (Colón, Kuna Yala)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)

Zamia encephalartoides D.W.Stev., Fl. Colombia (1983+) 21: 40-42, fig. 5. (2001).

Type Location(s): HT:COL; IT:NY, U

Distribution: Colombia (Santander)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v)

Zamia erosa O.F.Cook & G.N.Collins, Contr. U.S. Natl. Herb. 8(2): 267. (1903).

Type Location(s): NT:NA

Distribution: Cuba, Jamaica, Puerto Rico

IUCN Red List Conservation Status: Vulnerable C1

Zamia fairchildiana L.D.Gómez, Phytologia 50(6): 401-404. (1982).

Type Location(s): LT:USJ

Distribution: Costa Rica (Puntarenas, San José), Panama (Chiriquí)

IUCN Red List Conservation Status: Near Threatened C1

Zamia fischeri Miq., Hort. Vanhoutt. 1(1): 20. (1845).

Type Location(s): NT:U

Distribution: Mexico (Hidalgo, Querétaro, San Luis Potosí, Tamaulipas)

IUCN Red List Conservation Status: Endangered A4cd

Zamia furfuracea L.f., Hort. Kew. (W. Aiton) 3: 477. (1789).

Type Location(s): LT:pl. 210 in Herm. Parad. Bat., 1698

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Endangered B1ab(v)

Zamia gentryi Dodson, Novon 8(1): 12-14, fig. 1a-f. (1998).

Type Location(s): HT:QCNE; LT:AAU, MO, NY, RPSC, SEL

Distribution: Ecuador (Carchi, Esmeraldas)

IUCN Red List Conservation Status: Endangered B1ab(iii)+2ab(iii)

Zamia gomeziana R.H.Acuña, Brenesia 73-74: 29-33, fig. 1. (2010).

Type Location(s): HT:CR; IT:INB

Distribution: Costa Rica (Limón)

IUCN Red List Conservation Status: Near Threatened B2a

Zamia grijalvensis Pérez-Farr., Vovides & Mart.-Camilo, Nordic J. Bot. 30(5): 565-570. (2012).

Type Location(s): HT:HEM; IT:MEXU, MO, XAL

Distribution: Mexico (Chiapas)

IUCN Red List Conservation Status: Critically Endangered B1ab(iii,v)

Zamia hamannii A.S.Taylor, J.L.Haynes & Holzman, Bot. J. Linn. Soc. 158(3): 399-429, figs. 6, 7a, 8a. (2008).

Type Location(s): HT:PMA; IT:MO, NY, US, XAL

Distribution: Panama (Bocas del Toro)

IUCN Red List Conservation Status: Vulnerable D1+2

Zamia herrerae S.Calderón & Standl., J. Wash. Acad. Sci. 14(4): 93-94, fig. 1. (1924).

Type Location(s): HT:US

Distribution: El Salvador (Sonsonate), Guatemala (Quetzaltenango Retalhuleu, Santa Rosa, Suchitepéquez), Mexico (Chiapas)

IUCN Red List Conservation Status: Vulnerable B1ab(iii,v)

Zamia huilensis Calonje, H.E.Esquivel & D.W.Stev., Caldasia 34(2): 283-290. (2012).

Type Location(s): HT:TOLI; IT:COL, CUVC, FAUC, HUA, HUAZ, HUQ, JAUM, SURCO, TOLI

Distribution: Colombia (Huila)

IUCN Red List Conservation Status: Endangered B1ab(iii,v)+2ab(iii,v)

Zamia hymenophyllidia D.W.Stev., Fl. Colombia (1983+) 21: 43-44, fig. 6. (2001).

Type Location(s): HT:COAH; IT:NY

Distribution: Colombia (Amazonas), Peru (Loreto)

IUCN Red List Conservation Status: Least Concern

Zamia imbricata Calonje & J.Castro, Phytotaxa 497(1): 5-9, figs. 3-5. (2021).

Type Location(s): HT: HUA; IT: FAUC

Distribution: Colombia (Caldas)

IUCN Red List Conservation Status: Not Evaluated

Zamia imperialis A.S.Taylor, J.L.Haynes & Holzman, Bot. J. Linn. Soc. 158(3): 399-429, figs. 7c, 8c, 11. (2008).

Type Location(s): HT:PMA

Distribution: Panama (Coclé, Colón, Panamá, Veraguas)

IUCN Red List Conservation Status: Endangered B1ab(iii,v); C2a(i)

Zamia incognita A.Lindstr. & Idárraga, Phytotaxa 2: 29-34, figs. 1-3. (2009).

Type Location(s): HT:HUA; IT:JAUM

Distribution: Colombia (Antioquia, Boyacá, Caldas, Santander)

IUCN Red List Conservation Status: Endangered B2ab(iii,v)

Zamia inermis Vovides, J.D.Rees & Vázq.Torres, Fl. Veracruz 26: 22-24, fig. 3. (1983).

Type Location(s): HT:XAL

Distribution: Mexico (Veracruz)

IUCN Red List Conservation Status: Critically Endangered A2acd+4acd; B1ab(i,ii,iii,v)

Zamia integrifolia L.f., Hort. Kew. (W. Aiton) 3: 478. (1789).

Type Location(s): HT:BM

Distribution: Bahamas, Cayman Islands, Cuba, United States (Florida, Georgia)

IUCN Red List Conservation Status: Near Threatened A2ad

Zamia integrifolia var. integrifolia , Phytologia 98(3): 174. (2016).

Type Location(s): AUT

Distribution: United States (Florida_)

IUCN Red List Conservation Status: Not Evaluated

Zamia integrifolia var. umbrosa (Small) D.B.Ward, Phytologia 98(3): 174. (2016).

Type Location(s): BAS: Z. umbrosa

Distribution: United States (Florida)

IUCN Red List Conservation Status: Not Evaluated

Zamia ipetiensis D.W.Stev., Brittonia 45(1): 7-9, fig. 4. (1993).

Type Location(s): HT:NY; IT:FTG,MO,NY,PMA,U

Distribution: Panama (Panamá, Kuna Yala)

IUCN Red List Conservation Status: Endangered B1ab(i,ii,iii,v)

Zamia katzeriana (Regel) E.Rettig, Gartenflora 45: 148-149, fig. 31. (1896).

Type Location(s): BAS: Ceratozamia katzeriana

Distribution: Mexico (Chiapas)