Taxonomic notes on Utah Erigeron (Asteraceae)

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Erigeron sionis Cronq. and E. proselyticus Nesom are distinct species, separate in mophology, ecology, and geography. Erigeron religiosus, previously regarded as a Utah endemic, has been collected in Mohave Co., Arizona, immediately adjacent to localities for the species in Kane Co., Utah. Erigeron vagus var. madsenii Welsh & Atwood is distinct from the rest of the species only in its separate geography, but population systems of E. vagus all are widely disjunct from one another and formal taxonomic status is not warranted for the central Utah populations. Erigeron ursinus var. meyerae Welsh is distinguished by branching stems; this apparently is a populational tendency in, Garfield, Iron, Kane, and Washington counties, Utah, and Coconino Co., Arizona, and formal taxonomic status for such variants is not warranted. Erigeron katiae Welsh, which is closely related to E. pumilus, appears to be a real entity and is recorded here as occurring in Rich and Wasatch counties, Utah, and Oneida Co., Idaho.

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Reference Code: A16NES01IDUS <br>

Full Citation: Nesom, G.L. 2016. Taxonomic notes on Utah Erigeron (Asteraceae). Phytoneuron 2016-81: 1–10. Published 12 December2016. ISSN 2153 733X <br>

Location: ELECTRONIC FILE - BOTANY: PLANT SPECIES: {Erigeron katiae} <br>

Keywords: Erigeron katiae <br>