lichens

Dark pigmentation causes higher heat absorption in lichens, which is especially favorable in the cold polar environment [117].

General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels 2009

The nearest analogue to this remarkable partnership is to be found in the vegetable kingdom, where, as the researches of Schwendener, Bornet, and Stahl have shown, we have certain algæ and fungi associating themselves into the colonies we are accustomed to call lichens, so that we may not unfairly call our agricultural Radiolarians and anemones

Scientific American Supplement, No. 324, March 18, 1882 Various

Rootless plants called lichens often cover and corrode rocks as yet bare of soil; but where lichens are destroying the rock less rapidly than does the weather, they serve in a way as a protection.

The Elements of Geology William Harmon Norton 1900

The heights of Pindus towered above us; the castle of Yanina rose white and angular from the blue waters of the lake, and the immense masses of black vegetation which, viewed in the distance, gave the idea of lichens clinging to the rocks, were in reality gigantic fir-trees and myrtles.

The Count of Monte Cristo Alexandre Dumas p��re 1836

You may have seen the small, moss-like plants called lichens covering rocks or the branches of old trees.

unknown title 2009

A number of plants and microorganisms in polar deserts, such as lichens, are termed "poikilohydrous", meaning that they tend to be in moisture equilibrium with their surroundings [118].

General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels 2009

Pigmentation protects organisms such as lichens from high irradiance, including UV radiation, and pigments can be present in considerable concentrations.

General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels 2009

The growth of a few scattered shrubs and herbaceous plants such as lichens enables certain specialized insects and poisonous spiders to colonize these deserts.

Atacama desert 2007

a good source of all necessary vitamins, Harry told him earnestly, and one of the lichens was a source of protein.

Starchild Omnibus Pohl, Frederik & Williamson, Jack 1963

So Avery Van Brunt found them, treeless and cheerless, sparsely clothed with moss and lichens, and altogether uninviting.

IN THE FOREST OF THE NORTH 2010