CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record smilax_jamesii - Wed, Jun. 26, 2019 19:05 ET c
Smilax jamesii
common nameEnglish Peak greenbrier
CalPhotos image
more photos
Gladys Lucille Smith © 1999 California Academy of Sciences  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 4.2
LIST 4: Limited distribution (Watch List).
     0.2: Fairly endangered in California
state rank
S3S4   S3S4: Intermediate between S3 and S4
global rank
G3G4   G3G4: Intermediate between G3 and G4
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Counties, states, regions:
Del Norte (DNT), Shasta (SHA), Siskiyou (SIS), Trinity (TRI)
  • 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•Broadleafed upland forest (BUFrs)
•Lower montane coniferous forest (LCFrs)
•Marshes and swamps (MshSw)
•North Coast coniferous forest (NCFrs)
•Upper montane coniferous forest (UCFrs)/Streambanks and lake margins; sometimes mesic depressions
blooming period May-Jul(Aug),(Sep),(Oct),   Months in parentheses are uncommon.
elevation range505 - 1975 meters
Previously CRPR 1B.3; more common than originally known. Potentially threatened by logging and associated road usage. Possibly threatened by vehicles, recreational activities, foot traffic, grazing, trampling, alteration of fire regimes, hydrological alterations, and non-native plants. See Brittonia 31:416-421 (1979) for original description.
full nameSmilax jamesii G.A. Wallace
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  SMJA Element Code  PMSMI010D0
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 Wed, Jun. 26, 2019 from

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