Page author: David Giblin
Geranium robertianum
herb-Robert, stinky-Bob
WTU specimens
Other herbaria
WTU images

Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to California, east to Montana, further east in Canada, the Great Lakes region, and eastern North America.

Habitat: Forest understory and forest edges, riparian zones, and other lowland areas with natural or man-made disturbances.

Flowers: March-August

Origin: Introduced from Europe

Conservation Status: Not of concern


[none provided]

Accepted Name:
Geranium robertianum L.
Publication: Sp. Pl. 2: 681-682. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Geranium robertianum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Geranium robertianum checklist entry.

E-Flora BC: Geranium robertianum atlas page.

CalPhotos: Geranium robertianum photos.

USDA Plants: Geranium robertianum information.

23 photographs:
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