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from article Forensic botany
Surface of a green bean pod, showing its spines using (a) light microscope (courtesy of David O. Norris) and (b) scanning electron microscope (courtesy of Meredith Lane).
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Image
from article Lichens
The ascolichen Teloschistes chrysophthalmus. (Credit: Jason Hollinger)
Image
from article Lichens
Cuplike lichens of the genus Cladonia. (Credit: Jacinta Lluch Valero)
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from article Ebony
Persimmon (Diospyros virginiana). (Photograph by Dot Paul, National Resources Conservation Service, USDA)
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from article Dune vegetation
A coastal dune profile.
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from article Dune vegetation
American beachgrass (Ammophila breviligulata), which dominates coastal dunes along much of the Eastern seaboard of the United States and the Great Lakes. (Photo by Rob Routledge, Sault College, Sault Ste. Marie, Ontario, Canada)
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from article Dune vegetation
Sea oats (Uniola paniculata) are abundant on the foredunes of the Atlantic coast of the southeastern United States. (Photo by Robert L. Anderson, USDA Forest Sevice)
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from article Dune vegetation
Bitter panicum (bitter panicgrass; Panicum amarum), which is often found on Gulf of Mexico coastal dunes. (Photo by Forest and Kim Starr)
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from article Sextant
Marine sextant.
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from article Sextant
Periscopic sextant for use in aircraft.
