CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14sep 9-12-14
Status: record calystegia_collina_ssp._tridactylosa - Tue, Sep. 30, 2014 19:56 ET c
Calystegia collina ssp. tridactylosa
common namethree-fingered morning-glory
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familyConvolvulaceae
life form rhizomatous herb
CA Rare Plant Rank
List 1B.2
CA-Endemic
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S1      ranking system key
global rank
G4T1      ranking system key
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (7):
The Geysers (534D) 3812277, Leesville (547B) 3912224, Hough Springs (548A)? 3912225, Jamison Ridge (582B)? 3912362, Brushy Mountain (582C) 3912352, Dos Rios (583A) 3912363, Covelo East (598C) 3912372
quad data info

Counties, states, regions:
Lake (LAK), Mendocino (MEN)
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CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)/serpentinite, rocky, gravelly, openings
blooming period Apr-Jun  
elevation range0 - 600 meters
notes
Potentially threatened by geothermal energy development. May intergrade with Calystegia occidentalis ssp. occidentalis and Calystegia malacophylla ssp. malacophylla. See Proceedings of the California Academy of Sciences, series 4, 20: 151 (1931) for original description and Annals of the Missouri Botanical Garden 52(2): 214-216 (1965) for revised nomenclature.
full nameCalystegia collina (E.Greene) Brummitt ssp. tridactylosa (Eastw.) Brummitt
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  CACOT Element Code  PDCON04036
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
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Suggested citation: California Native Plant Society (CNPS). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14sep). California Native Plant Society. Sacramento, CA. Accessed on Tue, Sep. 30, 2014 from http://www.cnps.org/inventory

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