Maurice Bouly de Lesdain

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Lecanora louisianae is a species of corticolous (bark-dwelling), crustose lichen in the family Lecanoraceae. It was formally described as a new species in 1932 by French lichenologist Maurice Bouly de Lesdain. It is common and widespread in the Coastal Plain region of southeastern North America. Arthonia agelastica is a lichenicolous fungus that parasitises Lecanora louisianae. Infection by the fungus causes bleaching or discolouration, or (less often) no obvious effect on the host. Some other lichenicolous fungi recorded on L. louisianae include Skyttea lecanorae, Chaenothecopsis kalbii, and

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Henrica is a genus of crustose lichens in the family Verrucariaceae. It has four species. These lichens grow as crusts that adhere tightly to limestone, sandstone, and other hard rocks, ranging from paper-thin films to thick, warted layers in subdued colours of white, pale grey, or fawn. They reproduce through black to dark-brown flask-shaped fruiting bodies that contain distinctive brown spores divided into numerous cells like a brick wall, giving them a characteristic muriform appearance.

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Aspiciliopsis macrophthalma is a species of lichen-forming fungus in the family Trapeliaceae. It is a crust-forming lichen with a thick, brittle-looking thallus that spreads across rock as a cream to pale pinkish-grey patch. The surface is usually continuous but often breaks into sharp-edged cracks, giving it a broken "paving" look, and it can be faintly roughened and patchily dusted with a thin whitish bloom (pruina). Its fruiting bodies are apothecia that sit mostly embedded in the thallus (an aspicilioid form): small, round pits with a pale to dark reddish-brown (sometimes almost blackish)

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