Sclerocactus parviflorus Clover & Jotter fa. terrae-canyonae (Heil) Hochstätter
Cactaceae-Review IRT 1 (1): 4-19, 1998.Terrae-canyonae Cactus
Basionym: Sclerocactus terrae-canyonae Heil Cact. & Succt. J. (US) 51:25-30.1979.
Type: Heil s.n., Trachyte Wash, ca. 10 mi S of Natural Bridges National Monument, San Juan Co., Utah (UNM 64283. Isotype: UNM 64279, SJNM).
Synonymy
Sclerocactus parviflorus Clover & Jotter ssp. terrae-canyonae (Heil) Heil & Porter Haseltonia 2. 20-46.1994.
Other representative material studied.
| Utah: | fh 69.4, Torrey, 2,000m, fh 69.4.0, Fry Canyon, 1,750m, fh 69.4.1, White Canyon, 1,650m, fh 69.4.2, Capitol Reef Cliffs, fh 69.4.3, Trachyte Creek, fh 69.4.5, Capitol Reef area, fh 69.1.0.5, near Henry Mts. |
Sclerocactus parviflorus fa. terrae-canyonae, fh 69.4.2, Capitol Reef Cliffs