Roadless Areas
Home/Species/ San Gabriel Bedstraw

Galium grande

McClatchie

San Gabriel Bedstraw

G1Critically Imperiled Found in 1 roadless area NatureServe Explorer →
G1Critically ImperiledGlobal Rank
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.133375
Element CodePDRUB0N0V0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRubiales
FamilyRubiaceae
GenusGalium
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 Date2017-05-16
Change Date2017-05-16
Edition Date2018-04-18
Edition AuthorsD. Gries, rev. R. Bittman (2005, 2017), rev. Treher (2018)
Threat ImpactMedium
Range Extent<100 square km (less than about 40 square miles)
Number of Occurrences6 - 20
Rank Reasons
Endemic to the San Gabriel Mountains of Los Angeles County, California, Galium grande is known from 9 occurrences. Most occur on USFS lands and receive some protection and few threats due to that ownership. Plant numbers are not well known, but this plant is a fairly narrow endemic. This species is reported to have declines based on viability of occurrences and likely extirpations.
Range Extent Comments
Galium grande is endemic to the San Gabriel Mountains of Los Angeles County in California. The species primarily occurs on the Angeles National Forest.
Threat Impact Comments
Threats listed for the plant include expansion of a Boy Scout camp, trail maintenance at some sites, firebreaks at several sites, and roadside related disturbances at one occurrence. However, most plants occur on USFS lands which affords some protection.
Ecology & Habitat

Habitat

This species is predominantly found within Chaparral communities as well as oak-dominated Foothill/Cismontane Woodland, Yellow Pine Forest, and open Mixed Evergreen Forest communities. Occurs at elevations between 425 and 1500 m.
Terrestrial Habitats
Forest/WoodlandForest - ConiferForest - MixedWoodland - HardwoodWoodland - MixedShrubland/chaparral
Other Nations (1)
United StatesN1
ProvinceRankNative
CaliforniaS1Yes
Threat Assessments
ThreatScopeSeverityTiming
1 - Residential & commercial development———
1.3 - Tourism & recreation areas———
4 - Transportation & service corridorsSmall (1-10%)UnknownHigh (continuing)
4.1 - Roads & railroadsSmall (1-10%)UnknownHigh (continuing)
6 - Human intrusions & disturbance———
6.1 - Recreational activities———

—

Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (1)
California (1)
AreaForestAcres
West ForkAngeles National Forest1,169
References (7)
  1. CalFlora. 2005. Information on California plants for education, research and conservation. Berkeley, California: The CalFlora Database [web application]. Available: http://www.calflora.org/. (Accessed 2005)
  2. California Native Plant Society (CNPS). 2001. Inventory of Rare and Endangered Plants of California (sixth edition). Rare Plant Scientific Advisory Committee, David P. Tibor, Convening Editor. California Native Plant Society. Sacramento, CA. x + 388pp.
  3. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  4. 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.
  5. Munz, P.A. 1974. A flora of southern California. Univ. California Press, Berkeley. 1086 pp.
  6. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  7. 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.