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Leprocaulaceae
Halecania viridescens Growth type crustose. BLS conservation evaluation: LC NS Chemical results: K-, C-, KC-,P+ red Occurs on acid-barked twigs, branches and thin trunks The thin, areolate, pale green or olive green thallus is covered with fine punctiforme soralia and disintergrates easily when fresh. Apothecia are often absent, when present discs pale and greyish becoming pale yellow-brown and then brownish. Spores 1-septate, 12-17 x 4-6 µm with a thick perispore, the upper cell slightly wider. Micrographs below. The black apothecia in the photographs are Catillaria nigroclavata |
