Hymenoxys helenioides
species of plant

Hymenoxys helenioides is a North American species of flowering plant in the daisy family known by the common name intermountain rubberweed. It is native to Arizona, Utah, Colorado, and New Mexico in the western United States.
Hymenoxys helenioides is a perennial herb up to 50 cm (20 in) tall. One plant generally produces as many as 50 flower heads. Each head has 10–16 ray flowers and 50–150 disc flowers.
Taxonomy
In 1904 Hymenoxys helenioides was scientifically described and named by Theodore D. A. Cockerell. It is classified in the genus Hymenoxys within the family Asteraceae. It has no subspecies and has three heterotypic synonyms.
Range
According to Plants of the World Online, intermountain rubberweed is native to just three western states; Colorado, Utah, and Arizona. However, according to the Natural Resources Conservation Service it also grows in San Juan County, New Mexico and Clark County, Nevada, though nowhere else in these states.
Begin with the source’s own compact description: “Hymenoxys helenioides” is species of plant. The dossier treats that line as a proposition to test through Hymenoxys, helenioides and species, not as a finished interpretation.
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This entry incorporates text from “Hymenoxys helenioides” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.