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Letharia vulpina, commonly known as the wolf lichen (although the species name vulpina, from vulpine relates to the fox), is a fruticose lichenized species of fungus in the family Parmeliaceae. It is bright yellow-green, shrubby and highly branched, and grows on the bark of living and dead conifers in parts of western and continental Europe and ...
[3] [34] [35] This lichen-collecting stick is called a txipmn in the Okanagan language. [3] [34] The lichen can be collected at any time of year, but it is important to choose the right type of lichen. Some specimens are toxic due to vulpinic acid. There are numerous other species of Bryoria that look very similar, but are bitter and mildly toxic.
Two obstacles are often encountered when eating lichens: lichen polysaccharides are generally indigestible to humans, and lichens usually contain mildly toxic secondary compounds that should be removed before eating. Very few lichens are poisonous, but those high in vulpinic acid or usnic acid are toxic. [146] Most poisonous lichens are yellow.
Accipitridae is a family of birds of prey, which includes hawks, eagles, kites, harriers, and Old World vultures. These birds have very large powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons and keen eyesight. Nineteen species have been recorded in Virginia. White-tailed kite, Elanus leucurus (A)
Ramalina menziesii, the lace lichen or fishnet, is a pale yellowish-green to grayish-green fruticose lichen. It grows up to a meter long, hanging from bark and twigs in a distinctive net-like or lace-like pattern that is unlike any other lichen in North America. [3] It becomes a deeper green when wet. [3] Apothecia are lecanorine. [3]
Nature News: Why bird watchers see birds that aren't supposed to be here this winter If you want to learn how to identify different types of lichens, this is one of the first things to look for ...
The lichen pigment parietin gives this species a deep yellow or orange-red color. [6] Xanthoria parietina prefers growing on bark and wood; it is found more rarely on rock. [5] Nutrient enrichment by bird droppings enhances the ability of X. parietina to grow on rock. [7]
Two of Britain’s “most iconic birds” feature among the top images in the South Downs National Park’s annual photo competition. Photographer Piers Fearick, from Worthing, West Sussex ...