Hechtia argentea (B.S.Williams) Baker
Taxonomic Notes:
- Lectotype (designated) —See Smith & Downs 1974 p. 596
- Epitype (designated): Mexico, Hidalgo, Municipio Zimapan, Canon del Rio Toliman, matorral xerofilo en rocas verticales a lo largo del no, 20°48'06.5"N 99°26'38.2"W, 1192 m, 3 Apr 2019, C.T. Hornung-Leoni 1735$ (CICYNo. 71881; iso-epitypes: HGOM, K, MEXU). —See Ramirez-Morillo et al. 2020 p. 4
Literature references:
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