California Counties and Islands:name (code) Imperial (IMP), Riverside (RIV), San Diego (SDG)
Quads:name (DWR code) USGS code Yuha Basin (006A) 3211567, Superstition Mtn. (017A) 3211587, Plaster City (017D) 3211577, Carrizo Mtn. NE (018A) 3211681, Iris (028B) 3311524, Kane Spring NE (030A) 3311527, Kane Spring NW (030B) 3311528, Harpers Well (030C) 3311518, Kane Spring (030D) 3311517, Shell Reef (031A) 3311621, Borrego Mountain (031B) 3311622, Borrego Mountain SE (031D) 3311611, Wister (044D) 3311535, Durmid (045A) 3311547, Fonts Point (046C) 3311632
Definitions of codes preceding a county and/or quad:
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.
This data should NOT be substituted for pre-project review or for on-site surveys.
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those that do contain this data, it has not been quality controlled and is potentially incomplete, inaccurate, and/or out of date.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.