Home/Species/ Son's Buckwheat

Eriogonum natum

Reveal

Son's Buckwheat

G3Vulnerable (G3?) Found in 1 roadless area NatureServe Explorer →

G3VulnerableGlobal Rank

Medium - lowThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.151076

Element CodePDPGN08420

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderPolygonales

FamilyPolygonaceae

GenusEriogonum

Synonyms

Eriogonum spathulatum var. natum(Reveal) Welsh

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Taxonomic Comments

Eriogonum natum was described as a new species by Reveal in 1975 (Welsh et al. 1975). Since then it has been treated as a species (Kartesz 1994, Flora of North America Editorial Committee 2005), or as a variety E. spathulatum var. natum (Welsh et al. 1993, Welsh et al. 2015).

Conservation Status

Rank Method Rank calculation - Biotics v2

Review Date2021-04-30

Change Date2021-04-30

Edition Date2021-04-30

Edition AuthorsNiese, J. (1988), rev. C. Nordman (2021).

Threat ImpactMedium - low

Range Extent1000-5000 square km (about 400-2000 square miles)

Number of Occurrences6 - 20

Rank Reasons

Endemic to Millard County, Utah.

Range Extent Comments

Eriogonum natum is endemic to the United States, it only occurs in the vicinity of Sevier Lake and the around the Cricket Mountains in Millard County, Utah (NatureServe Network Database as of April 2021, SEINet 2021).

Occurrences Comments

There are about 10 occurrences of Eriogonum natum (NatureServe Network Database as of April 2021, SEINet 2021).

Threat Impact Comments

Roadside right of way management (with herbicides), off-road vehicles, gravel and fill quarrying are threats to this plant.

Ecology & Habitat

Habitat

Saline, alkaline marly white-gray clay soils on flats of ancient lake bed deposits. Salt desert shrub community at 1400-1600 m elevation (SEINet 2021, Flora of North America Editorial Committee 2005).

Terrestrial Habitats

Desert

Other Nations (1)

United StatesN3

Province	Rank	Native
Utah	S3	Yes

Threat Assessments

Threat	Scope	Severity	Timing
3 - Energy production & mining	Small (1-10%)	Serious or 31-70% pop. decline	High (continuing)
3.2 - Mining & quarrying	Small (1-10%)	Serious or 31-70% pop. decline	High (continuing)
4 - Transportation & service corridors	Small (1-10%)	Serious or 31-70% pop. decline	High (continuing)
4.1 - Roads & railroads	Small (1-10%)	Serious or 31-70% pop. decline	High (continuing)
6 - Human intrusions & disturbance	Large - restricted	Moderate or 11-30% pop. decline	High (continuing)
6.1 - Recreational activities	Large - restricted	Moderate or 11-30% pop. decline	High (continuing)

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (1)

Nevada (1)

Area	Forest	Acres
Bald Mtn.	Humboldt-Toiyabe National Forest	41,598

References (7)

Flora of North America Editorial Committee (FNA). 2005. Flora of North America north of Mexico. Vol. 5. Magnoliophyta: Caryophyllidae: Caryophyllales, Polygonales, and Plumbaginales. Oxford Univ. Press, New York. vii + 656 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Southwest Environmental Information Network (SEINet). 2021. Collections Databases. Online. Available: https://swbiodiversity.org/seinet/collections/index.php (accessed 2021).
Welsh, S.L. 1979. Illustrated manual of proposed endangered and threatened plants of Utah. Brigham Young Univ., Provo, UT. 318 pp.
Welsh, S. L., N. D. Atwood, and J. L. Reveal. 1975. Endangered, threatened, extinct, endemic, and rare or restricted Utah vascular plants. Great Basin Naturalist 35(4): 327-376.
Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.
Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins. (Eds). 2015. A Utah flora, fifth edition, revised 2015. Monte L. Bean Life Science Museum, Provo, Utah. 987 pp.

Eriogonum natum

Habitat

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