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Plant Profile

Fremont County Rockcress (Boechera pusilla)

Global Rank: G1 - Critically Imperiled
Legal Status: N/A
Family: Brassicaceae
State: WY
Nature Serve ID: 159356
Lifeform: Forb/herb
Date Inducted in National Collection:

Description:

A perennial herb with 2-several prostrate or gently arching stems up to 17 cm long, spreading outward from a basal rosette of leaves. Leaves have a sparse covering of soft-spreading hairs. Tiny, 4-petaled lavender flowers bloom in May and June, followed by narrow, smooth fruits that hang down at right angles to the stems.

Where is Fremont County Rockcress (Boechera pusilla) located in the wild?

Habitat:

Coarse soil that has accumulated in cracks and crevices of sparsely vegetated granite-pegmatite outcrops at about 2350 m elevation. The surrounding plant community is sagebrush grassland.

Distribution:

Known from a single locality in westcentral Wyoming. Probably a neoendemic; intrinsically rare. State endemic restricted to the southern Wind River Range (South Pass area) in Fremont County, Wyoming

States & Provinces:

Fremont County Rockcress can be found in Wyoming

Which CPC Partners conserve Fremont County Rockcress (Boechera pusilla)?

Denver Botanic Gardens

Not Sponsored

Assigned 06/09/17

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Nature Serve Biotics

05/02/2017

Known from a single locality in westcentral Wyoming. Probably a neoendemic; intrinsically rare. Potentially threatened by gold mining activity.

Rollins, Mary VB Goshorn

01/01/2010

Grazing and motorized recreation impact are precluded by exclosure, provided that the exclosure is maintained. It has been withdrawn from mineral entry, precluding potential threats by gold mining activity.

Rollins, Mary VB Goshorn

01/01/2010

One known site.

Rollins, Mary VB Goshorn

01/01/2010

Unknown

Rollins, Mary VB Goshorn

01/01/2010

Unknown

Rollins, Mary VB Goshorn

01/01/2010

Unknown

Rollins, Mary VB Goshorn

01/01/2010

Unknown