Amanita muscaria, for instance, forms mycorrhizal associations with a range of hardwood and softwood trees, most often birches, pines, and spruces. This species cansignificantly enhance nutrient absorptionfor its tree partners. For example, up to 80% of the nitrogen and phosphorus used by some t...
The guide also includes four identification keys. Arrangement by leaf, shape, flowers, fruit, and fall leaves--plus drawings of tree silhouettes as they appear in winter--makes identification simple at any time of year.Knopf
Phylogeographically structured lineages are a common outcome of range-wide population genetic studies. In the southeastern United States, disconnection between populations found at the intersection of the southeastern coastal plains of peninsular Florida
North American Black Bear Short claws make them good tree climbers! Northern Alligator Lizard Unlike other lizards, these give livebirth to their young Northern Bobwhite The northern bobwhite is named for its distinctive whistling call that sounds like ‘bob-white’. Northern Cardinal Males are a...
Selection of nine wild North AmericanVitisspecies.a-iPictures from a representative leaf (left) and flower (right) ofV. acerifolia(a),V. aestivalis(b),V. arizonica(c),V. berlandieri(d),V. girdiana(e),V. monticola(f),V. mustangensis(g),V. riparia(h), andV. rupestris(i), respe...
novel approach to identify sex-linked markers in the North American green frog (Rana clamitans melanota) using lab-reared tadpoles as well as wild-caught adults from seven ponds either in undeveloped, forested habitats or suburban ponds known to be subject to contamination by anthropogenic chemicals...
This type of aphid is a common sight on North American cottonwood. A type of tall tree, this host provides a considerable home for a unique aphid species which is known to have a solider cast, much like termites or some ants. Nymphs are among the soldiers of this aphid family. Only ear...
Thus, North American boreal forests declined in latitudinal distribution range driven by southern losses but became denser due to the tree cover gains in the northern interior. Fig. 2: Absolute tree cover changes of North American boreal forests from 2000–2019. a Tree cover changes based on ...
These clues will help you identify just about any hardwood or softwood tree you see in North America. Think you know your North Americantrees? Hardwood Trees Hardwoods are also known as angiosperms, broadleaf, or deciduous trees. They are abundant in the eastern forests of North America, though...
According to the Fact Sheet on American Elm - USDA Forest Service", Once a very popular and long-lived (300+ years) shade and street tree, American Elm suffered a dramatic decline with the introduction of Dutch elm disease, a fungus spread by a bark beetle. The wood of American Elm is...