Species Details

Cuscuta jepsonii

Jepson's dodder

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Photo of Cuscuta jepsonii
©2019 Dean Wm. Taylor
Photo of Cuscuta jepsonii
©2019 Len Lindstrand III
Photo of Cuscuta jepsonii
©2019 Dean Wm. Taylor
Scientific Name:
Cuscuta jepsonii Yunck.
Common Name:
Jepson's dodder
Family: Convolvulaceae
Element Code: PDCUS011T0
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
S3
Other Status:
CRPR Changes:
changed from 3 to 1B.2 on 2011-08-24
added to 3 on 2007-02-16
Add Date: 1974-01-01
Date Edited: 2023-07-07
Lifeform: annual vine (parasitic)
Blooming Period: Jul-Sep
JFMAMJJASOND
Elevation:
1200 - 2300 meters
3935 - 7545 feet
General Habitats:
  • Lower montane coniferous forest
  • North Coast coniferous forest
Microhabitat Details: Occurs on Ceanothus diversifolius and C. prostratus.
Microhabitat:
  • Streambanks
Notes:
Previously on CRPR 3. Last collected on Mt. Shasta in 1954; where recent surveys were unsuccessful. Identification of specimen from MPA Co. (437C) needs verification. See Illinois Biological Monograph 6:149 (1921) for original description, and SIDA 22(1):222-223 (2006) and American Journal of Botany 96(9):1744-1750 (2009) for taxonomic treatment.
Threats:
Taxonomy:
A synonym of C. indecora var. indecora in TJM (1993).
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 12 43 %
THREAT LIST:
Logging 8 28%
Wood cutting or brush clearing 3 10%
Road/trail construction/maint. 1 3%
Biocides 1 3%
Foot traffic/trampling 1 3%
Total Occurrences: 28
Element Occurrence Ranks:
A B C D X U
0 5 1 0 0 22
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 21
Presence:
Presumed Extant 28
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Amador (AMA), Calaveras (CAL), Lake (LAK), Madera (MAD), Mariposa (MPA), Mendocino (MEN), Shasta (SHA), Siskiyou (SIS), Trinity (TRI), Tulare (TUL)
Quads: Name (Quad Code)
Bass Lake (3711935), Black Rock Mtn. (4012321), Burney Mtn. West (4012176), Case Mountain (3611847), Damnation Peak (4012285), Devils Nose (3812044), Dubakella Mtn. (4012342), Eaton Peak (4112238), Elk Mountain (3912238), Fish Camp (3711946), Forest Glen (4012333), Garnet Hill (3812043), McCloud (4112232), Moses Mtn. (3611836), North Yolla Bolly (4012228), Pondosa (4112126), Pony Buck Peak (4012331), Silver City (3611846), Trinity Center (4012286), Van Arsdale Reservoir (3912341), Wawona (3711956), White Chief Mtn. (3711945)
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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