Home/Species/ Siskiyou Daisy

Erigeron cervinus

Greene

Siskiyou Daisy

G4Apparently Secure Found in 9 roadless areas NatureServe Explorer →

G4Apparently SecureGlobal Rank

LowThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.147155

Element CodePDAST3M0U0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single nation

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderAsterales

FamilyAsteraceae

GenusErigeron

Synonyms

Erigeron delicatusCronq.

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.

Conservation Status

Rank MethodLegacy Rank calculation - Excel v3.1x

Review Date2018-04-17

Change Date2014-10-14

Edition Date2018-04-17

Edition AuthorsVrilakas, Sue (1999), rev. Bittman (2014), rev. Treher (2018)

Threat ImpactLow

Range Extent20,000-200,000 square km (about 8000-80,000 square miles)

Number of Occurrences21 - 300

Rank Reasons

Erigeron cervinus is geographically restricted to northern California and southwestern Oregon, where many of the populations are within protected areas. The riparian areas where this species grows are either self-protected (steep-walled canyons) or managerially protected (usually) by the US Forest Service and Bureau of Land Management. There are no reported threats to this species.

Range Extent Comments

This daisy grows in southwestern Oregon (Josephine and Curry Counties) and adjacent northern California (Del Norte, Siskiyou, and Trinity Counties).

Occurrences Comments

In Oregon, it is known from 26 sites with the assumption that more occurrences exist but have not been reported. The California Natural Diversity Database (2017) does not track locations for this species.

Threat Impact Comments

There are no reported threats to this species.

Ecology & Habitat

Habitat

Erigeron cervinus grows in moist, riparian areas, on rocky banks, outcrops and vertical cliff faces among the rocks or in rock crevices.

Terrestrial Habitats

Bare rock/talus/screeCliff

Palustrine Habitats

Riparian

Other Nations (1)

United StatesN4

Province	Rank	Native
Oregon	S2	Yes
California	S4	Yes

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (9)

California (8)

Area	Forest	Acres
Bonanza King	Shasta-Trinity National Forest	16,402
Kangaroo	Klamath National Forest	40,617
Lake Eleanor	Shasta-Trinity National Forest	397
Orleans Mtn.	Klamath National Forest	49,090
Russian	Klamath National Forest	21,771
Siskiyou B	Six Rivers National Forest	18,871
Snoozer	Klamath National Forest	23,414
Weaver Bally	Shasta-Trinity National Forest	829

Oregon (1)

Area	Forest	Acres
North Kalmiopsis	Siskiyou National Forests	91,560

References (3)

California Natural Diversity Data Base. 1999. Special Plants List, June 1999. California Department of Fish and Game, Sacramento, CA. 119 pp.
Flora of North America Editorial Committee (FNA). 2006b. Flora of North America north of Mexico. Vol. 20. Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford Univ. Press, New York. xxii + 666 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.