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Louisiana Department of Wildlife and Fisheries, LaSalle Parish School Board, and the U.S. Army Corps of Engineers [7] Elbow Slough Wildlife Management Area Rapides 160 Louisiana Department of Wildlife and Fisheries Elm Hall Wildlife Management Area: Assumption: 2,839 Louisiana Department of Wildlife and Fisheries [8] Esler Field Wildlife ...
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. [1] It is common and widespread in the Coastal Plain region of southeastern North America. [2]
A foliose lichen is a lichen with flat, leaf-like lobes, which are generally not firmly bonded to the substrate on which it grows. It is one of the three most common growth forms of lichens. It typically has distinct upper and lower surfaces, each of which is usually covered with a cortex ; some, however, lack a lower cortex.
Lichenometry relies upon the fact that the maximum diameter of the largest thallus of an epilithic lichen growing on a substrate is directly proportional to the time from first exposure of the area to the environment as seen in studies by Roland Beschel [24] in 1950 and is especially useful in areas exposed for less than 1000 years. Growth is ...
Thallus (pl. thalli) – the vegetative body of a lichen, made up of both mycobiont and photobiont components. [21] Cortex – the lichen's outer layer(s), made up of tightly woven fungal filaments. [22] Isidium (pl. isidia) – outgrowths of the thallus which contain photobiont cells and provide means of vegetative reproduction for some ...
English: This is a cross section of lichen, which is an organism in a symbiotic relationship between green algae and fungus. 1. Thick layers of hyphae, called the cortex 2. Green algae 3. Loosely packed hyphae 4. Anchoring hyphae called rhizines. Lichen is an organism that is composed of two separate organisms living in a symbiotic relationship.
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 ...