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Letharia vulpina, commonly known as the wolf lichen (although the species name vulpina, from vulpine relates to the fox), is a fruticose lichenized species of fungus in the family Parmeliaceae. It is bright yellow-green, shrubby and highly branched, and grows on the bark of living and dead conifers in parts of western and continental Europe and ...
Letharia columbiana (common name brown-eye wolf lichen) is a common lichen in subalpine forests, particularly in the Pacific Northwest of the United States, and parts of Canada. [1] It is in the family Parmeliaceae, and the genus Letharia. Its characteristics include a bright citron color, “brown-eyes”, and rounded, irregular branches. [2]
Letharia is a genus of fruticose lichens belonging to the family Parmeliaceae. [2]There were historically two species of Letharia: L. vulpina and L. columbiana. [3] Recent molecular sequence studies published in 2016 confirm at least 6 species in Western North America alone, with more expected to be confirmed using similar methods in other parts of the world.
These include forage lichens (eaten by animals), nitrogen fixers (can take nitrogen molecules from the air and attach them to other molecules), acidophiles (acid loving lichens), wolf lichens, crustose lichens on rock, crustose lichens on bark and wood, biotic soil crusts, aquatic lichens, other green algal macrolichens, and pin lichens ”.
With the exception of calicioid lichens, lichen growth forms are based on the appearance of the thallus, which is the vegetative (non-reproductive) part of the lichen. [5] In most species, this form is determined by the lichen's fungal partner, though in a small number, it is instead the alga or cyanobacteria (the lichen's photosynthetic ...
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Lichen growth forms are used to group lichens by "vegetative" thallus types, and forms of "non-vegetative" reproductive parts. Some lichen thalli have the aspect of leaves (foliose lichens); others cover the substrate like a crust (crustose lichens) ( illustration, right ), others such as the genus Ramalina adopt shrubby forms (fruticose ...
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