Trees of Minnesota: A Field Guide by Stan Tekiela
In his field guide Trees of Minnesota, Stan Tekiela describes all 93 species found in the state. Fact-filled information contains the particulars that you want to know, while full-page photographs provide the visual detail needed for accurate identification. Plus, Stan’s naturalist notes feature fascinating tidbits and facts.
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Today we take a look at the European buckthorn tree, also called common buckthorn. Did you know that this tree has a gray bark with many horizontal white marks (lenticels) and scales, and tiny spines (thorns) in the forkings at the ends of twigs?
There are about 100 species of buckhorn trees and shrubs, 12 of which are native to the U.S. The tree’s leaves stay green well into November before falling, long after the leaves of other trees have dropped.
Buckthorn grows in thick stands, shading out native plants, making it undesirable. Considered a nuisance; many state and city agencies have programs to eliminate it from parks and woodlands.
While the berries are not edible for humans, birds eat them in large quantities in the winter. They are one of the few berries available for birds returning in spring.
About the author: Naturalist, wildlife photographer, and writer Stan Tekiela is the author of more than 175 field guides, nature books, children’s books, wildlife audio CDs, puzzles, and playing cards, presenting many species of birds, mammals, reptiles, amphibians, trees, wildflowers, and cacti in the United States. With a Bachelor of Science degree in Natural History from the University of Minnesota and as an active professional naturalist for more than 25 years, Stan studies and photographs wildlife throughout the United States and Canada. He has received various national and regional awards for his books and photographs.
Also a well-known columnist and radio personality, his syndicated column appears in more than 25 newspapers, and his wildlife programs are broadcast on a number of Midwest radio stations.
You can follow Stan on Facebook and Twitter, or contact him via his web page. Stan’s nationally syndicated NatureSmart Column appears in more than 25 cities spanning 5 states (Minnesota, Wisconsin, Michigan, Illinois, and Pennsylvania) and is circulated to more than 750,000 readers.