Species Details

Cordylanthus tenuis ssp. pallescens

pallid bird's-beak

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Photo of Cordylanthus tenuis ssp. pallescens
©2018 Sierra Pacific Industries
Photo of Cordylanthus tenuis ssp. pallescens
©2018 Sierra Pacific Industries
Scientific Name:
Cordylanthus tenuis Gray ssp. pallescens (Penn.) Chuang & Heckard
Common Name:
pallid bird's-beak
Family: Orobanchaceae
Element Code: PDSCR0J0S3
USDA Plants Symbol: COTEP2
Synonyms/Other Names:
Lifeform: annual herb (hemiparasitic)
Blooming Period: Jul-Sep
Elevation:
695 - 1645 meters
2280 - 5395 feet
General Habitat:
  • Lower montane coniferous forest (gravelly, volcanic alluvium)
General Micro Habitat:
Micro Habitat:
Notes:
Threatened by development and road maintenance. Intergrades with ssp. tenuis and ssp. viscidus; core populations of ssp. pallescens should be prioritized for conservation. See Proceedings of the Academy of Natural Sciences of Philadelphia 99(7):197-198 (1947) for original description, Systematic Botany Monographs 10:50-62 (1986) for taxonomic treatment, and MadroƱo 61(1):64-76 (2014) for taxonomic treatment and disussion of management.
Threats:
Taxonomy:
Other:
Total Occurrences: 18
Element Occurrence Ranks:
A B C D X U
2 4 6 0 0 6
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 15
Presence:
Presumed Extant 18
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
City of Mount Shasta (4112233), Hotlum (4112243), Mt. Shasta (4112242), Weed (4112244)
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.

Map

Presumed Extant
Counties   Quads