Family:
Cactaceae
Subfamily:
Cactoideae
Name:
Echinocactus horizonthalonius subsp. nicholii (Benson) Guzmán Cactaceae Syst. Init. 16: 17 (11 Oct. 2003).
Alt. Name:
Basionym:
Echinocactus horizonthalonius var. nicholii Benson Cact. Ariz. 3.ed.: 23, 175 (1969)
Synonyms:
Echinocactus moelleri Haage (1927) in Berger Kakteen: 231 (1929) nom. nud.
Echinocactus horizonthalonius var. moelleri (Haage) Backeberg & Knuth Kaktus ABC: 346 (1935) nom. nud.
Echinocactus horizonthalonius var. moelleri (Haage Jr.) Weniger Cacti of the Southwest: 68 (1970) nom. inval. (Art. 33.2, 36.2 ICBN 1988)
Meyerocactus horizonthalonius subsp. nicholii (Benson) Doweld Succulents bilingual 1 (2): 27 (1999)
Type:
Holotype: Lyman Benson 16,663, July 3 1966; No. 311,314 (Pom) Herbar of the Pomona College, Claremont, California
Type Locality:
USA: Arizona, Pima County, southwest of Silver Bell, Silver Bell Mountains, 2800 feet elevation, Arizona Desert.
Distribution:
Arizona Desert, southwestern Pinal Countyand northcentral Pima County
Altitude:
800 – 1200m
Collection No:
HK1218; GCG10791; JS1849
Flowering:
Extra Info:
Compiler:
Unger, Gottfried / at / 2018.3.17.