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Plant Profile

Churchill Narrows Buckwheat (Eriogonum diatomaceum)

Flowers of Eriogonum diatomaceum Photo Credit: Gary Monroe

Global Rank: G1 - Critically Imperiled
Legal Status: N/A
Family: Polygonaceae
State: NV
Nature Serve ID: 138475
Lifeform: Forb/herb
Date Inducted in National Collection:

Description:

Eriogonum diatomaceum is only known from a few scattered populations in the Churchill Narrows area south of Fort Churchill State Park in Lyon County, Nevada. It is considered a sensitive species in Nevada and is also a candidate for federal endangered listing (Flora of North America Committee, 2005). E. diatomecium is a herbaceous perennial, the flowers are creamy-white with greenish-tan to reddish midribs (Reveal et al. 2002).

Where is Churchill Narrows Buckwheat (Eriogonum diatomaceum) located in the wild?

Habitat:

Found on chalky, diatomaceous outcrops.

Distribution:

E. diatomaceum is only known from the Churchill Narrows area in the Pine Nut Mountains in Lyon County, Nevada.

States & Provinces:

Churchill Narrows Buckwheat can be found in Nevada

Which CPC Partners conserve Churchill Narrows Buckwheat (Eriogonum diatomaceum)?

Red Butte Garden and Arboretum

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

Populations of Eriogonum diatomaceum are intrinsically highly vulnerable, and are localized on small, scarce patches of diatomaceous clay soil of high mining interest within a range covering less than 10 square km. Other threats include off-road vehicles and soil disturbance by grazing livestock.

Rita Dodge

01/01/2010

Mineral exploration and mine development OHVs Livestock trampling Road construction and maintenance Rabbit herbivory

Rita Dodge

01/01/2010

One population

Rita Dodge

01/01/2010

Herbivory on Eriogonum diatomeceum (J. Reynolds, and J. Picciani. 2002).

Rita Dodge

01/01/2010

Unknown

Rita Dodge

01/01/2010

Habitat protection and monitoring of population data Ex-situ seed conservation Propagation protocol development Reintroduction research

Rita Dodge

01/01/2010

Seed conservation Propogation protocol research Reintroduction research