Roadless Areas
Home/Species/ Poison Larkspur

Delphinium trolliifolium

Gray

Poison Larkspur

G3Vulnerable (G3G4) Found in 4 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.132947
Element CodePDRAN0B1U0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRanunculales
FamilyRanunculaceae
GenusDelphinium
Other Common Names
Columbian Larkspur (EN) Columbian larkspur (EN)
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
Review Date2001-01-11
Change Date2001-01-11
Edition Date2001-01-11
Edition AuthorsMacBryde, Bruce
Rank Reasons
Delphinium trolliifolium is in northwestern California and western Oregon (at 30-1100 meters), occurring in oak woods, coastal chaparral, and wet woodlands.
Ecology & Habitat
Other Nations (1)
United StatesN3
ProvinceRankNative
OregonSNRYes
CaliforniaSNRYes
WashingtonSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (4)
Oregon (4)
AreaForestAcres
ElkhornWillamette National Forest9,380
LarchMt. Hood National Forest12,961
Opal CreekWillamette National Forest5,417
Smith UmpquaSiuslaw National Forest7,622
References (8)
  1. Abrams, L. 1944. Illustrated flora of the Pacific states: Washington, Oregon, and California. Vol. 2. Polygonaceae to Krameriaceae. Stanford Univ. Press, Stanford, California. 635 pp.
  2. Flora of North America Editorial Committee (FNA). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 pp.
  3. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  4. Hitchcock, C.L., A. Cronquist, M. Ownbey, and J.W. Thompson. 1964. Vascular plants of the Pacific Northwest. Part 2: Salicaceae to Saxifragaceae, by C.L. Hitchcock and A. Cronquist. Univ. Washington Press, Seattle. 597 pp.
  5. Hitchcock, C.L., and A. Cronquist. 1974. Flora of the Pacific Northwest: An illustrated manual. 2nd printing, with corrections. Univ. Washington Press, Seattle. xix + 730 pp.
  6. 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.
  7. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  8. Peck, M.E. 1961. A manual of the higher plants of Oregon. 2nd edition. Binsford & Mort, Portland, Oregon. 936 pp.