Porophyllum ruderale ssp. macrocephalum
Annual, glabrous, leaves broadly ovate to obovate.
S2?
Imperiled in NM because of rarity or because of some factor(s) making it very vulnerable to extirpation from New Mexico. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000).
The numeric rank is inexact.
Selaginella weatherbiana (Weatherby's Spike Moss)
Perennial; forming loose mats; main stems aerial, 5-15 cm, spreading, without roots except at the base; rhizomes present; leaves long-decurrent, narrowly elliptic-lanceolate, about 2 mm long, 0.5 mm wide, with marginal cilia and bristle tips; spikes ...