CNPS Inventory Plant Detail

Cordylanthus tenuis ssp. pallescens

Common Name:	pallid bird's-beak
Family:	Orobanchaceae
Synonyms:	Cordylanthus pallescens
Element Code:	PDSCR0J0S3
Full Name:	Cordylanthus tenuis Gray ssp. pallescens (Penn.) Chuang & Heckard
USDA PLANTS Symbol:	COTEP2

Biology
Lifeform: annual herb (hemiparasitic) Blooming Period: July - September Habitat: • Lower montane coniferous forest (gravelly, volcanic alluvium)

Rarity Status

CA Rare Plant Rank: 1B.2
Rare, threatened, or endangered in California and elsewhere
.2: Fairly endangered in California
Federal Listing Status:
Not Listed
State Listing Status:
Not Listed
State Rank: S1
S1: Critically Imperiled.
Global Rank: G4G5T1
T1: Critically Imperiled. G4: (species) Apparently secure, considering populations outside California. G5: (species) Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 12
Element Occurrence Ranks:

A B C D X U

0 4 6 0 0 2

Population Status:

Historic >20 yrs	Recent <=20 yrs
0	12

Presence:

Present Extant	Possibly Extirpated	Extirpated
12	0	0

Notes
Threatened by development and road maintenance. Intergrades with ssp. viscidus; how distinct is it? Further research needed. See Systematic Botany Monographs 10:50-62 (1986) for taxonomic treatment. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1980-01-01 Last Update: 2012-05-15

Location

Elevation: 695 - 1645 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Shasta (SHA), Sierra (SIE), Siskiyou (SIS)

Quads: name (DWR code) USGS code
Dunsmuir (682A) 41122B3, Seven Lakes Basin (682B) 41122B4, Mt. Shasta (698B) 41122D2, Hotlum (699A) 41122D3, Weed (699B) 41122D4, Mount Eddy (699C) 41122C4, City of Mount Shasta (699D) 41122C3, China Mtn. (700A) 41122D5

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

509

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.375,41.25