Species Details

Harpagonella palmeri

Palmer's grapplinghook

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Photo of Harpagonella palmeri
© 2015 Keir Morse
Photo of Harpagonella palmeri
© 2015 Keir Morse
Photo of Harpagonella palmeri
© 2009 Christopher L. Christie
Lifeform: annual herb
Blooming Period: Mar-May
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Elevation:
20 - 955 meters
65 - 3135 feet
General Habitats:
  • Chaparral
  • Coastal scrub
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Clay
  • Openings
Notes:
Inconspicuous and easily overlooked. Threatened by development, trampling, non-native plants, and agriculture.
Threats:
Taxonomy:
Threat List Total: 12
Total EOs % of EOs
EOs with Threat Listed: 41 72 %
THREAT LIST:
Development 32 56%
Road/trail construction/maint. 8 14%
Agriculture 5 8%
Non-native plant impacts 4 7%
Grazing 3 5%
Total Occurrences: 57
Element Occurrence Ranks:
A B C D X U
5 11 5 1 5 30
Occurrence Status:
Historical >20 Years 57
Recent <=20 Years 0
Presence:
Presumed Extant 52
Possibly Extirpated 5
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Alberhill (3311764), Alpine (3211677), Bachelor Mtn. (3311751), Barrett Lake (3211666), Black Star Canyon (3311776), Bonsall (3311732), Canada Gobernadora (3311755), Dana Point (3311746), Del Mar (3211782), Dulzura (3211667), Earthquake Valley (3311614), El Cajon (3211678), El Cajon Mtn. (3211687), Encinitas (3311713), Imperial Beach (3211751), In-ko-pah Gorge (3211661), Jacumba (3211662), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), Laguna Beach (3311757), Lake Elsinore (3311763), Lake Mathews (3311774), Las Pulgas Canyon (3311734), Margarita Peak (3311744), Mint Canyon (3411844), Morro Hill (3311733), Mt. Wilson (3411821), Murrieta (3311752), National City (3211761), Newhall (3411845), Oat Mountain (3411835), Otay Mesa (3211658), Pala (3311731), Pasadena (3411822), Pechanga (3311741), Potrero (3211655), Poway (3211781), Ramona (3311617), Ranchita (3311625), Rancho Santa Fe (3311712), Romoland (3311762), Sage (3311658), San Clemente (3311745), San Fernando (3411834), San Juan Capistrano (3311756), San Luis Rey (3311723), San Marcos (3311722), San Vicente Reservoir (3211688), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845), Santa Susana (3411836), Steele Peak (3311773), Temecula (3311742), Vail Lake (3311648), Val Verde (3411846), Viejas Mountain (3211676), Warm Springs Mountain (3411855), Wildomar (3311753), Winchester (3311761)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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