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:
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: 2021-11-05
Lifeform: annual vine (parasitic)
Blooming Period: Jul-Sep
1200 - 2300 meters
3935 - 7545 feet
General Habitat:
  • North Coast coniferous forest
General Micro Habitat:
Micro Habitat:
  • Streambanks
Previously on List 3. Last collected on Mt. Shasta in 1954; where recent surveys were unsuccessful. Identification of specimen from MPA County (437C) needs verification. Occurs on Ceanothus diversifolius and Ceanothus prostratus. A synonym of C. indecora var. indecora in TJM (1993). 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.
Total Occurrences: 28
Element Occurrence Ranks:
0 5 1 0 0 22
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 21
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), Caldor (3812054), Case Mountain (3611847), Covington Mill (4012287), Damnation Peak (4012285), Devils Nose (3812044), Dubakella Mtn. (4012342), Eaton Peak (4112238), Elk Mountain (3912238), Fish Camp (3711946), Forest Glen (4012333), Garnet Hill (3812043), Hayfork Summit (4012351), Indian Spring Mtn. (4112135), McCloud (4112232), Moses Mtn. (3611836), Murken Bench (4012174), North Yolla Bolly (4012228), Old Station (4012164), Pondosa (4112126), Pony Buck Peak (4012331), Silver City (3611846), Trinity Center (4012286), Van Arsdale Reservoir (3912341), Wawona (3711956), White Chief Mtn. (3711945)
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
Counties   Quads