Erigeron salmonensis (Asteraceae), a rare new species from Idaho

Erigeron salmonensis, a diploid (n=9) species known only from one location in the Salmon River canyon of Idaho, is described and illustrated. The species appears to be most closely related to E. arenarioides, an endemic of northern Utah. Erigeron salmonensis differs in its long, naked, eglandular pe...

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Bibliographic Details
Published in:Brittonia 1989-10, Vol.41 (4), p.424-428
Main Authors: Brunsfeld, S.J. (University of Idaho, Moscow, ID), Nesom, G.L
Format: Article
Language:English
Subjects:
Biological and medical sciences
Canyons
Cliffs
COMPOSITAE
Diploidy
ENDANGERED SPECIES
ESPECE EN DANGER
ESPECIES EN PELIGRO DE EXTINCION
Florets
Fundamental and applied biological sciences. Psychology
IDAHO
Leaves
New species
NEW TAXA
Plant cytology, morphology, systematics, chorology and evolution
Plants
Salmon
Spermatophyta
Stems
Systematics (diagnosis, chromosome numbers)
TAXA
TAXON
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Summary:Erigeron salmonensis, a diploid (n=9) species known only from one location in the Salmon River canyon of Idaho, is described and illustrated. The species appears to be most closely related to E. arenarioides, an endemic of northern Utah. Erigeron salmonensis differs in its long, naked, eglandular peduncles; longer leaves; smaller heads with fewer phyllaries; and longer, fewer ray florets. Federal Endangered or Threatened status may be warranted if additional populations are not discovered.
ISSN:0007-196X
1938-436X
DOI:10.2307/2807558