S1
Critically Imperiled
Desmodium metcalfei (Metcalfe's Tick-Trefoil)
Perennial; stems erect or ascending, clustered, 3-9 dm long, glabrate or strigose to inflorescence; petioles 1-3 cm long; leaves trifoliolate; leaflets oblong-lanceolate, the terminal longest, to 3-6 cm, generally about 1 cm wide, 4-5 times longer th...
Draba smithii (Smith's Whitlow-Grass)
Perennial; caudex multicipital; branches prostrate, slender and usually matted; basal leaves tufted, linear-oblanceolate to obovate, entire to denticulate, 0.5-1.3(-2.5) cm long; stem leaves 3-8, slightly smaller; plants including pedicels cinereous ...
Erigeron acomanus (Acoma Fleabane)
Taprooted perennial, mat-forming, 10-70 cm in diameter; leaves mostly basal, spreading or ascending, 8-30 in rosettes at ends of caudex branches, oblanceolate to narrowly obovate or spatulate, 8-23 mm long, 2-7 mm wide, round or obtuse at the tip, mo...
Erigeron hessii (Hess's Fleabane)
Densely tufted, sparsely hairy perennial herbs; stems from many crowded, short branches, 5-16 cm tall; basal leaves lance-shaped to elliptic, broader above the middle, to 7 cm long and 7 mm wide, usually smaller, blades about one-half the length of t...
Erigeron rhizomatus (Zuni Fleabane)
Herbaceous perennial with creeping rhizomes; stems 2.5-4.5 dm tall, sparsely branching from near the base, growing in clumps to about 3 dm in diameter; leaves alternate, oblong, about 1.0 cm long, glabrous except for occasional ciliate hairs on the m...