Best Black Apothecia
Tephromela atra is a crustose lichen characterized by its striking white margins and black fruiting discs, formally reclassified by Austrian botanist Josef Hafellner in 1984.
Diplotomma alboatrum is a crustose lichen with a chalky white, pale gray, ochre, or pale brown thallus that is often cracked or areolate. Its small black apothecia may be covered with a whitish powder and are frequently abundant on the thallus. The species grows on calcareous and siliceous rock, bar...
Porpidia crustulata is a crustose, rock-dwelling lichen in the family Lecideaceae. It forms a thin pale-gray thallus that may be cracked or areolate and produces black apothecia, usually up to about 1.5 millimeters across. The species is associated with nutrient-poor, acidic or siliceous rocks and s...
Lecidea fuscoatra is a crustose, rock-dwelling lichen in the family Lecideaceae and the type species of the genus Lecidea. Its areolate thallus varies from pale ochre and gray-brown to reddish brown, while its reproductive discs are black and generally lack a conspicuous thalline margin. It is chief...
Sarcogyne regularis is a crustose lichen noted for its reddish-brown, often immersed apothecia on acidic rocks, first described by German botanist Gustav Wilhelm Körber in 1860.
Catillaria nigroclavata is a bark-dwelling crustose lichen found in temperate forests, readily identified by its thin, pale thallus and numerous small, jet-black, club-shaped apothecia.
Micarea denigrata is a crustose lichen recognized by its fragmented thallus that leaves dark, smudged marks on nutrient-poor bark, detailed by Elias Fries in 1825.
