Search results
Results from the WOW.Com Content Network
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".
Xanthoparmelia (commonly known as green rock shields or rock-shield lichens) is a genus of foliose lichens in the family Parmeliaceae. [ 2 ] [ 3 ] : 134 This genus of lichen is commonly found in the United States, South America, southern Africa, Europe, Australia, and New Zealand.
Lichens near Wlotzkasbaken. Lichens are a composite organism consisting of fungi and algae living in symbiotic relationship. They are well adapted to survive in harsh conditions. One of the many places they can be found is the Namib, the desert that gave Namibia its name. Fog in the coastal parts of the desert provides the necessary moisture ...
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.
The following outline provides an overview of and topical guide to lichens. Lichens are composite organisms made up of multiple species. They comprise a fungal partner, one or more photosynthetic partners, which can be either green algae or cyanobacteria , and, in at least 52 genera of lichens, a yeast . [ 1 ]
Cladonia rangiferina, also known as reindeer cup lichen, [2] reindeer lichen (cf. Sw. renlav) or grey reindeer lichen, is a light-coloured fruticose, cup lichen species in the family Cladoniaceae. It grows in both hot and cold climates in well-drained, open environments. Found primarily in areas of alpine tundra, it is extremely cold-hardy.
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.
Rhizocarpon geographicum (the map lichen) is a species of lichen, which grows on rocks in mountainous areas of low air pollution. Each lichen is a flat patch bordered by a black line of fungal hyphae. These patches grow adjacent to each other, leading to the appearance of a map or a patchwork field.