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old-man's-beard

(Encyclopedia) old-man's-beard, name for several plants, among them a clematis and a lichen.

lichen

(Encyclopedia) lichenlichenlīˈkən [key], usually slow-growing organism of simple structure, composed of fungi (see Fungi) and photosynthetic green algae or cyanobacteria living together in a…

archil

(Encyclopedia) archilarchilärˈkĭl, –chĭl [key] or orchilorchilôrˈ– [key], blue, red, or purple dye extracted from several species of lichen, also called orchella weeds, found in various parts of the…

symbiosis

(Encyclopedia) symbiosissymbiosissĭmbēōˈsĭs [key], the habitual living together of organisms of different species. The term is usually restricted to a dependent relationship that is beneficial to…

thallophyte

(Encyclopedia) thallophyte, common name for members of the Thallophyta (or Thallobionta), a taxonomic group in some archaic classification systems that comprised algae, fungi, and lichens. The…

manna

(Encyclopedia) mannamannamănˈə [key], in the Bible, edible substance provided by God for the people of Israel in the wilderness. In the Book of Exodus it is compared to coriander seed and described…

moss, in botany

(Encyclopedia) CE5 Life cycle of a moss: A germinating spore forms a transitory branching structure on the soil surface, which develops into the conspicuous gametophyte, the familiar moss plant.…

Franz Josef Land

(Encyclopedia) Franz Josef LandFranz Josef Landfrăns jōˈzəf, fränts yōˈzĕf [key], Rus. Zemlya Frantsa Iosifa, archipelago, c.6,300 sq mi (16,320 sq km), in the Arctic Ocean N of Novaya Zemlya, Russia…