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Lepraria finkii is a type of lichen in the genus Lepraria. [1] Its colours range from a greenish-gray to a bluish-green. The organism is generally found everywhere in the world, but more commonly found in tropical areas; it can be spotted in shaded areas on tree trunks, overtaking bryophytes, in soil banks, and in dry niches.
But sometimes the parts of a lichen species common name are common names of other lichen genera. For example, Psilolechia lucida, in the genus Psilolechia, is commonly called "sulphur dust lichen". [1] [2] But "sulphur lichen" refers to the genus Fulgensia, and "dust lichen" refers either to the genus Chrysothrix or the genus Lepraria. [1] [3 ...
List of lichen products Chemical spot tests on the foliose lichen Punctelia borreri showing thallus (top) and medulla (bottom). The pinkish-red colour change of the medulla in the C and KC tests indicate the presence of gyrophoric acid , a chemical feature that helps to distinguish this lichen from similar species in the same genus.
The lichen has a cosmopolitan distribution, and is most common in dry, sun-exposed areas with a temperate climate, in both the Northern and Southern Hemispheres. [11] It is often localized and rare in many parts of its range. [12] Colonies most often form along coastal areas. It is a twig species, meaning that it grows on twigs. It is rarely ...
The lichen was first formally described in 1933 by the Finnish lichenologist Veli Räsänen; he named it as a variety of Cetraria juniperina (now Vulpicida juniperinus). Räsänen distinguished his new variety from typical C. juniperina by several features: its erect thallus with obtuse lobes , bright golden-yellow colour, reticulate-veined ...
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Buellia aethalea is a species of lichen that belongs to the family Caliciaceae. [2] It is commonly known as darkened button lichen, [3] [4] and Buellie noircie in French. [1] The lichen's familiar nickname is inspired by the appearance of its surface, adorned with small black spots reminiscent of buttons. [5]