Quagga/Zebra Mussel Infestation Response Plan Quagga Mussels on the hull of a boat. Lake Mead National Recreation Area. (Photo by David Britton)
past features » Planning, Environment & Public Comment (PEPC) |
Headlines The Natural Resource Challenge represents a major effort to address the challenges of caring for our country's natural heritage within the complexities of today's modern landscapes. National Park Service
Science in the 21st Century
-2004 Report (PDF 242 kb) |
 DID YOU KNOW?A new species of orchid was identified in Yosemite National Park. An orchid so elusive, 70 years elapsed after George Henry Grinnell collected the first specimens in 1923 before a new generation of botanists rediscovered its location in 1993. But the plant’s identity remained a challenge to taxonomists. Now, two U.S. Geological Survey botanists and a colleague at the New York State Museum have identified the orchid as a new species, the Yosemite bog-orchid (Platanthera yosemitensis). more »archive » |
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