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Echinoplaca schizidiifera J. E. Hern. & Lücking
Nomenclature
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Family: GomphillaceaeGenus: Echinoplaca
SUMMARY
Mycobank MB 517766
Thallus foliicolous, up to 50 mm across and 20–30 µm thick, with cartilaginous, corticiform layer, uneven to coarsely verrucose due to incrustation with clusters of calcium oxalate crystals, with very scattered sterile setae, pale greenish grey to white; verrucae rather flat, irregular, 0.1–0.3 mm diam., white; setae 0.2–0.3 mm long, white or apically darkened. Thallus especially in inner parts dissolving into angular schizidia by disintegration; schizidia with the same anatomy as the thallus, 0.3–0.5(–1) mm diam., at first visible by irregular splits but eventually becoming involute and falling off, leaving behind small, rounded structured marking the attachment points. Apothecia not observed. Hyphophores not observed (but sterile setae might represent postmature hyphophores lacking diaphyphae). Secondary chemistry: no substances detected by TLC.