CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record asclepias_solanoana - Mon, Sep. 16, 2019 13:29 ET c
Asclepias solanoana
common nameserpentine milkweed
CalPhotos image
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more photos
Rick York © 1982 CNPS  Follow image link for photo data.
familyApocynaceae
life formperennial herb
CA Rare Plant Rank
List 4.2
CA-Endemic
LIST 4: Limited distribution (Watch List).
     0.2: Fairly endangered in California
state rank
S3      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Counties, states, regions:
Colusa (COL), Glenn (GLE), Lake (LAK), Mendocino (MEN), Napa (NAP), Shasta (SHA), Sonoma (SON), Tehama (TEH), Trinity (TRI), Yolo (YOL)
  • Pending additional quad-level data, only county data are being provided for List 4 plants.
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)
•Lower montane coniferous forest (LCFrs)/serpentinite
blooming period May-Jul(Aug),   Months in parentheses are uncommon.
elevation range230 - 1860 meters
notes
Not common where it occurs. Threatened by grazing, vehicles, logging, mining, and geothermal development. Potentially threatened by renewable energy development. See Proceedings of the American Academy of Arts and Sciences 10:76 (1874) for original description, and Madroņo 24(3):159-177 (1977) for information on floral ecology.
full nameAsclepias solanoana Woodson
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ASSO Element Code  PDASC021R0
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web


Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Mon, Sep. 16, 2019 from http://www.cnps.org/inventory

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