Mentions of rare plants in this PDF:
...grasses and weeds, as well as native cholla (Opuntia fulgida) , beavertail (Opuntia basilaris) and...

Mentions of rare plants in this PDF:
...San Diego ambrosia (Ambrosia pumila) FE /CRPR 1B.1;...
...Nevin’s barberry (Berberis nevinii [=Mahonia nevinii]) FE, SE, CRPR 1B.1;...
...thread-leaved brodiaea (Brodiaea filifolia) FT, SE, CRPR 1B.1...
...slender-horned spineflower (Dodecahema leptoceras) FE, SE, CRPR 1B.1...
...smooth tarplant (Centromadia pungens ssp. laevis [=Hemizonia pungens ssp. laevis]) CRPR 1B.1;...
...Parry’s spineflower (Chorizanthe parryi var. parryi) CRPR 1B.1;...
...mesa horkelia (Horkelia cuneata var. puberula [=Horkelia cuneata ssp. puperula]) CRPR 1B.1...
...Robinson’s pepper-grass (Lepidium virginicum var. robinsonii) CRPR 4.3;...
...San Bernardino aster (Symphyotrichum defoliatum [=Aster bernardinus]) CRPR 1B.2...