Erigeron gilensis Woot. & Standl.
Synonyms: Erigeron versicolor (Greenm.) Nesom,
Achaetogeron chihuahuensis Larsen,
Achaetogeron versicolor Greenm.,
Erigeron geiseri Shinners var.
calcicola Shinners,
Erigeron mimegletes Shinners
Family: Asteraceae
Description: Annual, single-stemmed (generally
in ours) pappus reduced to minute corona or occ. 1-4 caducous
bristles.
Distribution: Chihuahua, Durango, Arizona and New Mexico.
Plants seen or cited:
UNM Specimens: 1. New Mexico: Catron Co. Mogollon Mtns., Indian
Creek. R. Fletcher 5409. 7-15-81 2. New Mexico: Catron Co., Bill
Lewis Cienega. R. Fletcher 4811. 9-8-1980.
Habitat: Dry to moist meadows in mixed conifer forests.
Discussion: De Jong and Nesom (1996) sunk this species into
Erigeron versicolor (Greenm.) Nesom. It is widespread in Mexico
and occurs in Texas, Arizona and New Mexico.
Remarks: The taxon is peripheral in New Mexico and otherwise
widespread. It should be removed from the list.
Important Literature:
De Jong, C.D.C. and G. Nesom. 1996. Chromosome
counts in Mexican
Erigeron. Madrono 43: 383-393.
Information Compiled By: Timothy K. Lowrey
