Mentions of rare plants in this PDF:
...(Parkinsonia aculeata), and Thurber’s sandpaper plant (Petalonyx thurberi)....
...Allium parishii...
...Aloysia wrightii...
...Ayenia compacta...
...Calochortus striatus...
...Castilleja montigena...
...Escobaria alversonii...
...Funastrum utahense...
...Johnstonella costata...
...Lasthenia glabrata...
...Linanthus maculatus...
...Matelea parvifolia...
...Monardella robisonii...
...Saltugilia latimeri...
...Tetracoccus hallii...
...Monterey pine (Pinus radiata), cypress), with...
...Allium parishii Parish's onion Alliaceae...
...Aloysia wrightii Wright's...

Mentions of rare plants in this PDF:
...annual brome grassland include slender tarweed (Holocarpha virgata), filaree (Erodium botrys),...