Roadless Areas
Home/Species/ San Diego Hulsea

Hulsea californica

Torr. & Gray

San Diego Hulsea

G3Vulnerable Found in 5 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.143027
Element CodePDAST4Z030
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusHulsea
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 Date2016-06-02
Change Date2016-06-02
Edition Date2016-06-02
Edition AuthorsGries, D., and M. Martinez (1998), rev. Treher (2016)
Threat ImpactUnknown
Range Extent1000-5000 square km (about 400-2000 square miles)
Number of Occurrences21 - 80
Rank Reasons
California endemic known from 70 occurrences, but half of those haven't been surveyed for over 20 years. Some sites are threatened by recreational activities.
Range Extent Comments
California endemic found in Riverside and San Diego County.
Occurrences Comments
Known from 70 occurrences, about half of which are historic.
Threat Impact Comments
Threatened by recreation (ORV and hikers), development, and non-native species. Most occurrences don't list threats but also need to be surveyed.
Ecology & Habitat

Habitat

Chaparral, lower montane coniferous forest, upper montane coniferous forest; openings and burned areas (Skinner, 1997).
Terrestrial Habitats
Forest/WoodlandForest - ConiferForest EdgeShrubland/chaparralSavannaOld field
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Threat Assessments
ThreatScopeSeverityTiming
1 - Residential & commercial developmentSmall (1-10%)Extreme - seriousHigh (continuing)
6 - Human intrusions & disturbanceSmall (1-10%)Serious - slightHigh (continuing)
6.1 - Recreational activitiesSmall (1-10%)Serious - slightHigh (continuing)
8 - Invasive & other problematic species, genes & diseasesSmall (1-10%)Serious - slightHigh (continuing)

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Plant Characteristics
Economic Value (Genus)No
Roadless Areas (5)
California (5)
AreaForestAcres
CalienteCleveland National Forest5,953
Eagle PeakCleveland National Forest6,481
No NameCleveland National Forest4,897
Pine CreekCleveland National Forest503
Sill HillCleveland National Forest5,294
References (4)
  1. California Department of Fish and Game. 1997. RareFind 2 personal computer program. Information dated March 1999. Sacramento, California.
  2. Flora of North America Editorial Committee (FNA). 2006c. Flora of North America north of Mexico. Vol. 21. Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford Univ. Press, New York. xxii + 616 pp.
  3. 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.
  4. Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.