Possibly threatened by pipeline construction. Not in The Jepson Manual. See Contributions to Western Botany 11:15 (1903) for original description, and Phytologia 66(4):368-369 (1989) for taxonomic treatment.
Definitions of codes preceding a county and/or quad:
*
Presumed extirpated
?
Uncertain about distribution or identity
?*
Uncertain about distribution, but presumed extirpated if once present
(?)
Occurrence confirmed, but possibly extirpated
Species may be present in other areas where conditions are favorable.
Quad data is not available for all List 3 and 4 plants. For those that do contain this data, it has not been quality controlled and is potentially incomplete, inaccurate, and/or out of date. Please use caution when referencing this information. We are currently working hard to maintain this data and hope to provide accurate and up to date information in the near future.
California Native Plant Society (CNPS).
Inventory of Rare and Endangered Plants (online edition, v8-02).
California Native Plant Society. Sacramento, CA. Accessed on
.
Presumed Extant
Presumed Extirpated or Unknown