Page author: David Giblin
Lomatium tenuissimum
Leiberg's biscuit-root, Leiberg's umbrella-wort
WTU specimens
Other herbaria

Distribution: Historically occurring east of the Cascades crest along the eastern border of southern Washington; eastern Washington to adjacent western Idaho.

Habitat: Vernally moist meadows with fine-textured soils at low to middle elevations.

Flowers: April-May

Origin: Native

Conservation Status: Presumed extirpated in Washington (WANHP)

Description:

[none provided]


Accepted Name:
Lomatium tenuissimum (Geyer ex Hook.) Feist & G.M. Plunkett
Publication: Phytotaxa 316(1): 96. 2017.

Synonyms & Misapplications:
Leibergia orogenioides J.M. Coult. & Rose
Lomatium orogenioides (J.M. Coult. & Rose) Mathias [HC]
Tauschia tenuissima (Geyer ex Hook.) Mathias & Constance [WNHP]
Additional Resources:

PNW Herbaria: Specimen records of Lomatium tenuissimum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lomatium tenuissimum checklist entry.

E-Flora BC: Lomatium tenuissimum atlas page.

CalPhotos: Lomatium tenuissimum photos.

USDA Plants: Lomatium tenuissimum information.

12 photographs:
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