Echinocereus knippelianus
Echinocereus knippelianus in Monatsschr. Kakteenk. 5: 170. 1895 sec. Sánchez & al. 20181 wfo-0000661314
- ≡Cereus knippelianus in W. Amer. Sci. 13: 27. 1902 syn. sec. Kew 20192 wfo-0000597262
- ≡Echinocereus knippelianus subsp. knippelianus syn. sec. ??? wfo-0001286398
- 1. Sánchez, D., Arias, S., Grego-Valencia, D. & Terrazas, T. 2018: Phylogeny in Echinocereus (Cactaceae) based on combined morphological and molecular evidence: taxonomic implications. – Systematics and Biodiversity 16: 28-44. https://doi.org/10.1080/14772000.2017.1343260, 2. Kew 2019: Dataset export of the World Checklist of Vascular Plants database, dated 19 December. – Kew: Royal Botanic Gardens
- =Echinocereus liebnerianus in Baltimore Cact. J. 2: 262. 1896 syn. sec. Britton & Rose 19223 wfo-0001288542
- =Echinocereus inermis in Monatsschr. Kakteenk. 8: 130. 1898 syn. sec. Britton & Rose 19224 wfo-0001288536
- =Echinocereus knippelianus var. kruegeri in Cact. Succ. J. (Los Angeles) 50: 80. 1978 syn. sec. ??? wfo-0000661315
- ≡Echinocereus knippelianus subsp. kruegeri, Guía Identific. Cact. Amenazadas México: s.p. 1997 ["1998"] syn. sec. Hunt 20165 wfo-0000661316
- ≡Echinocereus knippelianus subsp. kruegeri, Echinocereus Monogr.: 246. 1998 syn. sec. ??? wfo-0001256190
- =Echinocereus knippelianus var. reyesii in Cact. Succ. J. (Los Angeles) 52: 265. 1980 syn. sec. Guzmán Cruz & al. 20036 wfo-0000661317
- ≡Echinocereus knippelianus subsp. reyesii, Echinocereus Monogr.: 6. 1998 syn. sec. Guzmán Cruz & al. 20036 wfo-0000661318
- =Echinocereus knippelianus subsp. kaplani in Acta Mus. Richnov., Sect. Nat., 7: 34. 2000 syn. sec. Kew 20197 wfo-0001430721
- ≡Echinocereus knippelianus subsp. klapanii syn. sec. WFO 20198 wfo-0001286399