Download A Rocky Mountain Lichen Primer by James N. Corbridge Jr., William A. Weber, Ken C. Abbott PDF

By James N. Corbridge Jr., William A. Weber, Ken C. Abbott

A Rocky Mountain Lichen Primer is an advent and box consultant to lichens within the Rocky Mountain area. It positive aspects seventy-two colour plates picturing the most typical and conspicuous species to be present in the mountains and foothills of the Rockies. a lot of those lichens also are universal in different geographic components, giving the publication a broader application for these attracted to lichens in different places. as well as the plates, A Rocky Mountain Lichen Primer encompasses a short description of every species to aid in id, besides a normal advent to lichens and their constitution. The booklet is adapted to the amateur, and contains a part on starting a lichen assortment.

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Don't let the language put you off! Page 41 Glossary A Alga A green or blue-green one-celled plant (or cyanobacterium). In lichens these occupy a layer just beneath the cortex. (Also called phycobionts). Apothecium (plural, apothecia) The most conspicuous spore-bearing structure on the surface of lichens; a disk-shaped structure that produces ascospores. Appressed Closely anchored to the substrate. Areolate Characterized by having the thallus broken into small, discrete patches or blocks. Ascocarp A fungal structure that produces asci and ascospores (whether a perithecium or apothecium).

In lichens these occupy a layer just beneath the cortex. (Also called phycobionts). Apothecium (plural, apothecia) The most conspicuous spore-bearing structure on the surface of lichens; a disk-shaped structure that produces ascospores. Appressed Closely anchored to the substrate. Areolate Characterized by having the thallus broken into small, discrete patches or blocks. Ascocarp A fungal structure that produces asci and ascospores (whether a perithecium or apothecium). Ascomycetes A class of fungi in which spores are produced in asci; most lichen fungi are Ascomycetes.

Pruina (adjective, pruinose) A gray or white, waxy, or powdery covering of parts or all of a thallus; often this consists of crystals of calcium oxalate precipitated by the lichen following absorption of calcium from the substrate. Pseudocyphella (pl. pseudocyphellae) A break in the thallus which exposes the medulla; this may be extremely small, a mere point, or may cover a fairly large area. Page 43 Pycnidium (pl. pycnidia) A structure producing special spores, called conidia or pycnoconidia (functions unclear), produced by vegetative budding; pycnidia appear as small black dots on the surfaces of many lichens.

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