Roadless Areas
Home/Species/ Western Azalea

Rhododendron occidentale

(Torr. & Gray ex Torr.) Gray

Western Azalea

G5Secure Found in 58 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.147124
Element CodePDERI150M0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderEricales
FamilyEricaceae
GenusRhododendron
Other Common Names
western azalea (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.
Taxonomic Comments
Kartesz (1999) recognizes three varieties; Munz (1959) does so weakly. No infrataxa are mentioned in Hickman (1993); none are accepted in Abrams (1951).
Conservation Status
Review Date1988-05-16
Change Date1988-05-16
Ecology & Habitat
Other Nations (1)
United StatesN5
ProvinceRankNative
CaliforniaSNRYes
OregonSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (58)
California (55)
AreaForestAcres
AgnewSequoia National Forest9,561
Bald RockPlumas National Forest4,675
Barker ValleyCleveland National Forest11,940
Blue Creek Rare ISix Rivers National Forest12,134
Bonanza KingShasta-Trinity National Forest16,402
Bucks LakePlumas National Forest680
Castle Crags AShasta-Trinity National Forest113
Castle Crags BShasta-Trinity National Forest1,619
Chips CreekPlumas National Forest12,940
Cutca ValleyCleveland National Forest14,530
Devil GulchSierra National Forest30,490
Dinkey LakesSierra National Forest34,171
East BeegumShasta-Trinity National Forest8,425
East GirardShasta-Trinity National Forest27,894
East YubaTahoe National Forest17,968
GriderKlamath National Forest10,647
Horse Creek RidgeSan Bernardino National Forest8,969
JohnsonKlamath National Forest10,652
KangarooKlamath National Forest40,617
KellySix Rivers National Forest5,195
Kings RiverSierra National Forest52,999
Lake EleanorShasta-Trinity National Forest397
Middle ForkPlumas National Forest29,278
Middle YubaTahoe National Forest7,379
Mill CreekLassen National Forest7,587
Monkey CreekSix Rivers National Forest9,017
Mt. EddyShasta-Trinity National Forest7,232
North Fork American RiverTahoe National Forest38,495
North Fork Middle Fork American RiverTahoe National Forest11,245
North Fork SmithSix Rivers National Forest37,898
North MountainStanislaus National Forest7,856
Orleans Mtn.Klamath National Forest49,090
Orleans Mtn. BSix Rivers National Forest17,183
Orleans Mtn. CSix Rivers National Forest15,589
PacksaddleSix Rivers National Forest3,862
PattisonShasta-Trinity National Forest29,299
PyramidEldorado National Forest24,347
Raymond PeakStanislaus National Forest3,646
Rouse HillSan Bernardino National Forest13,745
RubiconEldorado National Forest4,872
RussianKlamath National Forest21,771
San JoaquinSierra National Forest22,474
ShuteyeSierra National Forest7,313
Sill HillCleveland National Forest5,294
SiskiyouKlamath National Forest54,039
Siskiyou BSix Rivers National Forest18,871
Slate CreekShasta-Trinity National Forest6,636
Slide CreekSix Rivers National Forest11,458
SnoozerKlamath National Forest23,414
Snow MountainLassen National Forest2,165
UnderwoodSix Rivers National Forest6,591
Weaver BallyShasta-Trinity National Forest829
West BeegumShasta-Trinity National Forest5,198
West GirardShasta-Trinity National Forest37,516
West YubaTahoe National Forest16,059
Oregon (3)
AreaForestAcres
North KalmiopsisSiskiyou National Forests91,560
South KalmiopsisSiskiyou National Forests104,477
WoahinkSiuslaw National Forest5,309
References (1)
  1. 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.