Perityle vitreomontana Warnock

Plants 3–10 cm (densely leafy); pilose. Leaves: petioles 2–4 mm; blades subovate to ovate-deltate, 5–7(–10) × 5–8(–12) mm, margins obtuse-serrate to incised-lobed. Heads usually in corymbiform arrays, rarely borne singly, 6–7 × 3–4 mm. Peduncles 1–3(–8) mm. Involucres narrowly campanulate. Phyllaries 9–12, linear-lanceolate, 4–5 × 0.8–1.2 mm. Disc florets 11–16; corollas white, tubes 1 mm, throats tubular, 2.5 mm, lobes 1 mm. Cypselae 1.9–2 mm; pappi of 2–6 bristles 0.5–2 mm plus vestigial nubs between bristles, or of 10–20 bristles 0.1–2 mm. 2n = 34.