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The Peterson Field Guides (PFG) are a popular and influential series of American field guides intended to assist the layman in identification of birds, plants, insects and other natural phenomena. The series was created and edited by renowned ornithologist Roger Tory Peterson (1908–1996).
Eco-friendly, affordable, and natural, foraged items like branches and leaves make some of the best fall decor.Learn the best types of trees, shrubs, and leaves to search for and how to best ...
These plant identification apps allow users to make field identifications of plants down to the species level. However, for accurate identification of specimens the use of dichotomous keys is still required, as no plant identification app has reached an accuracy of 90%.This has made plant collecting and identification more accessible to casual ...
A field guide is a book designed to help the reader identify wildlife (flora or fauna or funga) or other objects of natural occurrence (e.g. rocks and minerals). It is generally designed to be brought into the " field " or local area where such objects exist to help distinguish between similar objects. [ 1 ]
Most note that they are a "Guide to Field Identification" on the cover. To go more in-depth and intended as both identification and educational, most of the Field Guides limited themselves to North America, while the Golden Guides were usually worldwide. The series, updated, was relaunched in 2001 as "Golden Field Guides by St. Martin's Press".
The leaves are alternate, simple, and heart shaped with an entire margin, 7–12 cm (3–4.5 in) long and wide, thin and papery, and may be slightly hairy below. The flowers are showy, light to dark magenta pink in color, 1.5 cm ( 1 ⁄ 2 in) long, appearing in clusters from spring to early summer, on bare stems before the leaves, sometimes on ...
The leaves are 4–15 cm (1 + 1 ⁄ 2 –6 in) long, five-lobed, with a thick covering of white scurfy down on both sides, but thicker underneath; this layer wears off 8 cm (3 + 1 ⁄ 4 in) long, produced in early spring; they are dioecious, with male and female catkins on separate trees; the male catkins are grey with conspicuous dark red ...
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