A gypsophilic, crustose disk lichen appearing as small (<1 to 2mm) raised, citrine-yellow disks on gypsum surfaces. Thallus (vegetative body of the lichen) is very sparsely developed and can be endolithic (growing within the rock crystals), ...
Perennial suffrutescent herb; stems from a woody rootstock, up to 2 dm tall; leaves subsessile, crowded, up to 5 cm long and 12 mm wide, those on the lower half of the stem elliptic-lanceolate and those above linear to linear-lanceolate; flowers pale...
Robust perennial herb to 1.5 m tall, forming large clumps; leaves mostly in 1-3 pairs in the basal 1/4 of the plant, petioles 5-10 cm long, blades broadly ovate to more or less circular, thick, leathery-succulent, glaucous pale bluish-green, smooth; ...
Perennial herb; stems 2-5 dm long, glabrous except for the glandular-pubescent upper parts, openly branched; basal leaves biternately to triternately divided into 3 or 6 leaflets, leaflets lobed, glabrous, dark green above, somewhat paler beneath; pe...
Perennial; stems stout, ascending, often purplish tinged; leaves pinnately compound, mostly 15-29 foliate, 4-18 cm long; leaflets 5-20 mm long, elliptic to ovate, flat, pubescent on both surfaces, hairs straight, lying flat against the leaf surface; ...
Perennial herbs, 15-35 cm high, the stems arising from enlarged woody or lignescent roots. Leaves mostly basal, 10-18 cm long, 1.5-4.0 cm wide, petioles 2-7 cm long, blades ovate to linear-oblanceolate, passing into the petioles, scarcely lobed, of a...
Perennial herb 2-5 dm high, with (1-)3-6(-10) basal rosettes usually elevated above the ground on a branched, woody caudex; flowering stems 1 per basal rosette, arising centrally and terminating the rosette, glabrous; basal leaves broadly oblanceolat...
