Bidens lemmonii (Lemmon Beggar-Ticks)
Annual composite, rayless, heads subsessile or short-pedunculate; leaves pinnately dissected, the divisions linear, often confused in collections with Heterosperma pinnatum Cav.
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.
Cypripedium parviflorum var. pubescens (Yellow Lady's-Slipper)
Herbaceous perennials to 1 m tall or more, stems erect. Leaves: Alternate, usually 3-5, orbiculate to broadly ovate or oblanceolate to elliptic-lanceolate, 8-21 cm long and 1.5-12 cm wide, erect to spreading, proximal or more evenly spaced ...
Draba heilii (Heil's Alpine Whitlowgrass)
Densely caespitose perennial; caudex few-branched, compact, with persistent, thickened leaves; basal leaves imbricate, undifferentiated into blade and petiole, linear-lanceolate, 5-8 mm long, 1-1.5 mm wide, surfaces glabrous or rarely pilose, margins...