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Awnings were first used by the ancient Egyptian and Syrian civilizations. They are described as "woven mats" that shaded market stalls and homes. A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams".
Parmotrema perforatum, commonly known as the perforated ruffle lichen, [3] is a species of foliose lichen in the family Parmeliaceae. [4] The lichen was first formally described as new species in 1787 by Nikolaus Joseph von Jacquin. It was transferred to the genus Parmotrema by Italian lichenologist Abramo Bartolommeo Massalongo in 1860. [5]
Lobaria oregana, also known as lettuce lichen and as Oregon lungwort, is a species of foliose lichen occurring in North American old-growth forests, such as the Hoh Rainforest in Washington state. Taking its common name from its lettuce-like appearance, the lichen grows in the tree canopy but falls to the forest floor, where it is consumed by ...
A beginner’s guide to the amazing world of lichens, the pollution monitors and the beauty makers of the winter landscape. Why lichens are more than just a splash of green on tree trunks: Nature News
The goal was to introduce lichens to cover and stabilize the surface, reducing the exposed asbestos surface area and thereby mitigating the dispersal of hazardous airborne fibres. Unfortunately, achieving robust colonization was a challenge, with running water and debris posing significant hurdles.
Marine canvas refers to a varied array of fabrics used in the fabrication and production of awnings, covers, tarps, sunshades, signs and banners for the advertising, boating, trucking, tenting, structural and medical industries. The term "marine canvas" is also used more narrowly to refer specially to boat cover products.
Xanthoria parietina is a common and widespread lichen-forming fungus in the family Teloschistaceae.Commonly known as the yellow wall lichen, common orange lichen, or maritime sunburst lichen, this leafy lichen is known for its vibrant yellow to orange coloration and remarkable environmental adaptability.
Some epiphytic lichen species may be used as "ancient woodland indicators"; they can used to quantitatively assess the degree to which a forest has had a long history of canopy continuity. [11] The presence of these species is a reliable indicator that the forest has existed back to early medieval times, without being clear-cut and regrown.