Lecidea oreinodes (Körb.) W.A. Weber & Hertel
Lecanora tesselina (Tuck.) Zahlbr.
Lecidea tennessensis Nyl.
Lecidea tesselina Tuck.
Lecanora oreinoides (Körb.) Hertel & Rambold
Sunken rim-lichen, rim lichen
Sunken rim-lichen is native to North America.
Identification: Lichen is whitish to pale gray. It appears as a thin layer directly on rock surfaces (crustose), looking a bit like paint that dried and cracked. Its fruiting bodies (apothecia) are black and slightly sunken. There may be more than one per “tile.”
Habitats: Widespread, in tropical, subtropical, and temperate regions.
Online References:
References:
Lecanora hypospilota Vain.
Lecidea oreinodes (Körb.) W.A. Weber & Hertel
Lecanora tesselina (Tuck.) Zahlbr.
Lecidea tennessensis Nyl.
Lecidea tesselina Tuck.
Lecidea oreinodes (Körb.) W.A. Weber & Hertel
Lecanora tesselina (Tuck.) Zahlbr.
Lecidea tennessensis Nyl.
Lecidea tesselina Tuck.
4/10/2010 · Tom & Susan’s, Pepperell, Massachusetts · ≈ 3½ × 2½″ (9.8 × 6.6 cm) 
ID is uncertain 
| Kingdom | Fungi | Mushrooms, lichens, gel fungi, yeasts, and molds; also called eukaryotes |
| Division | Ascomycota | Sac fungi |
| Subdivision | Pezizomycotina | Sac fungi with filaments |
| Class | Lecanoromycetes | “Lichenized” fungi |
| Order | Lecanorales | Mostly lichen-forming fungi |
| Suborder | Lecanorineae | Lichens |
| Family | Lecanoraceae | Lichenized fungi includes many genera, named after Lecanora |
| Genus | Lecanora | Means "having a light-colored margin of apothecium formed by thallus" (from Stearn's Botanical Latin) |
| Species | oreinoides | From Greek ὀρεινός (oreinos), ”of a mountain“ or ”mountainous,“ and οειδής (-oides), ”resembling“ or ”like“ |
Lecanora oreinoides description by Thomas H. Kent, not updated.
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