Taxon Report

Cuscuta pacifica Costea & M. Wright var. papillata (Yunck.) Costea & M. Wright

Mendocino dodder

Print Report


  Classification
Scientific Name:
 Cuscuta pacifica Costea & M. Wright var. papillata (Yunck.) Costea & M. Wright
Common Name:
 Mendocino dodder
Family: Convolvulaceae
Element Code: PDCUS011A2
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual vine (parasitic)
Blooming Period: (Jun)Jul-Oct (Jun)Jul-Oct
Elevation: 0-50 (0-165)
General Habitats: Coastal dunes
Microhabitat:
Microhabitat Details: Known to occur on Gnaphalium, Silene, and Lupinus spp. in MEN Co.; and on Polycarpon tetraphyllum and Calystegia purpurata ssp. saxicola with Sanicula arctopoides nearby in SON Co.

Conservation Status
CA Rare Plant Rank: 1B.2
Global Rank: G5T1
State Rank:
 S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • added to 1B.2 on 2011-09-20

Occurrence Data from the CNDDB
Total Occurrences: 5
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 1
   Unknown (U) 4

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Mendocino (MEN), Sonoma (SON)
Quads: Name (Quad Code)
Bodega Head (3812331), Fort Bragg (3912347), Gualala (3812375), Mendocino (3912337), Point Arena (3812386)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 %

 

Notes
Rediscovered at Point Arena in 2011 by R. Korhummel. Many historical occurrences may be extirpated; need field surveys. See Bulletin of the Torrey Botanical Club 69(7):541-543 (1942) for original description and Systematic Botany 34(4):787-795 (2009) for taxonomic treatment.
Threats:
Possibly threatened by non-native plants and shoreline retreat.
Taxonomy:
Similar to C. pacifica var. pacifica and C. salina. See C. salina var. papillata in The Jepson Manual (1993).

Selected References

CRPR List Addition on 2011-09-20
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].