Remototrachyna consimilis (Vain.) Flakus, Kukwa & Sipman

Hypotrachyna consimilis

Parmelia consimilis Vainio, 1890:58. [Type collection: Carassa, Minas Gerais, Brazil, Vainio 1295 (TUR, lectotype; BM, isotype).]

Thallus adnate on bark, 3–6 cm broad, light mineral gray but turning light tan in the herbarium; lobes sublinear, becoming crowded, 1–3 mm wide; upper surface plane, continuous, becoming densely isidiate, isidia mostly simple; lower surface moderately rhizinate, the rhizines densely dichotomously branched. Apothecia rare, adnate, 3–5 mm in diameter, the amphithecium isidiate; spores 5μ–8μ × 8μ–11μ.

CHEMISTRY.—Cortex K+ yellow; medulla K−, C−, P+ orange (atranorin, protocetraric acid, and, if pigmented in lower medulla, rhodophyscin).

DISTRIBUTION.—Mexico, West Indies, Venezuela, Brazil.

HABITAT.—On hardwoods and conifers in open woods at 800–1600 m.