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  • All fields: Cassia
(11 results)



Display: 20

    • Lead hazards to fish, wildlife, and invertebrates: a synoptic reivew

    • Biologists (USFWS); Water; Fishes; Pollutants;
    • Lead (Pb) and its compounds have been known to man for about 7,000 years, and Pb poisoning has been recognized for at least 2,500 years. All credible evidence indicates that Pb is neither essential nor beneficial to living organisms, and that all...
    • Twinleaf

    • Flowering plants; Plants
    • Single blossom and leaves growing out of knot-hole in old log. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.
    • Twinleaf

    • Flowering plants; Plants
    • Close-up of bright green leaves with dew drops. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.
    • Twinleaf

    • Flowering plants; Plants
    • White blossoms and green leaves in clump by mossy rock. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.
    • Twinleaf

    • Flowering plants; Plants
    • Close-up of white blossom. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.
    • Twinleaf

    • Flowering plants; Plants
    • Close-up of white blossom. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.
    • American Plants B-Roll

    • videography; U.S. Fish and Wildlife Service; plants
    • HD B-Roll Stock Footage. Produced by the National Conservation Training Center (NCTC) videographers. • Dutchman’s Breeches (Dicentra cucullaria) • Yellow Violet (Viola pensylvanica) • Morel mushrooms (Morchella) and Wild Blue Phlox...

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