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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 ...
Very few lichens are poisonous. Poisonous lichens include those high in vulpinic acid [9] or usnic acid. [9] Most (but not all) lichens that contain vulpinic acid are yellow, so any yellow lichen should be considered to be potentially poisonous.
[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.
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 ...
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)
Virginia; Washington, D.C. Pages in category "Lichens of the Southeastern United States" The following 31 pages are in this category, out of 31 total.
The holidays are a festive time of year. Homes are decorated for the season — Christmas trees, ornaments, poinsettias, and the like. And there are also plenty of holiday treats that are ...