foliose lichen
classification of lichens
crustose lichen
lichen pronunciation
fruticose lichen
lichen plant
characteristics of lichen
types of lichens pdf
Lichen Growth Forms. Crustose (crusty). edges flat, unlobed and closely attached to substrate; hard to remove without damaging substrate or lichen; algae 23 Nov 1998 After a lichen symbiosis is established, the fungus has the greatest influence on the final form of the lichen body's shape, and whether it is tough Lichens are grouped by common lichen growth forms. There are a wide range of growth forms (morphology). These groupings may not be consistent with lichen Growth Forms of Lichens. foliose - fruticose - crustose - squamulose - calicioid - leprose - basidiolichens. foliose. fruticose. crustose. squamulose. calicioid A lichen is a composite organism that emerges from algae or cyanobacteria living among the filaments (hyphae) of two fungi in a mutually beneficial symbiotic relationship. The fungi benefit from the carbohydrates produced by the algae or cyanobacteria via photosynthesis. The fungus most commonly forms the majority of the biomass of the lichen. Lichens are common primary colonisers of stressful habitats. They are major 7 Mar 2011 Form and structure. This page will be devoted to explaining the common lichen structures you can see with the naked eye as well as giving Photographs of British lichens - notes and explanations of lichen thallus types. and borderline cases, but several general growth forms can be recognised. Lichens occur in one of four basic growth forms, as illustrated below: crustose - crustlike, growing tight against the substrate. squamulose - tightly clustered and slightly flattened pebble-like units. foliose - leaflike, with flat sheets of tissue not tightly bound. fruticose - free-standing branching tubes.
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