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NATIONAL PARK SERVICE Forests and Trees of the National Park System |
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 WITCH HOLE POND, ACADIA NATIONAL PARK, MAINE. TREE AND PLANT ASSOCIATIONS ON THE FRINGES OF SUCH PONDS ARE OF SPECIAL INTEREST TO STUDENTS OF PLANT COMMUNITIES. |
 CLOUDS OVER THE SMOKIES SUGGEST THE ABUNDANT MOISTURE WHICH HELPS TO NOURISH THE SPLENDID FORESTS CLOTHING THESE MOUNTAINS. |
 MANY SPECIES OF TREES AND SHRUBS GROW TO GREAT SIZE IN GREAT SMOKY MOUNTAINS NATIONAL PARK. THE LARGEST KNOWN EXAMPLES OF 16 SPECIES OF TREES ARE FOUND IN THIS PARK. AT THE LEFT, ABOVE, IS A GIANT HEMLOCK; AT THE RIGHT, A HUGE TULIP POPLAR. |
 JOSHUA-TREES, FOUND HERE IN JOSHUA TREE NATIONAL MONUMENT, CALIF., AND LAKE MEAD NATIONAL RECREATION AREA, ARIZ.—NEV., ARE YUCCAS, MEMBERS OF THE LILY FAMILY. THEY ARE TYPICAL OF LOWER SONORAN LIFE ZONE VEGETATION. |
 A DISTINGUISHING FEA TURE OF THE LANDSCAPE OF SOUTHERN ARIZONA IS THE SAGUARO, LARGEST OF THE CACTI. THESE ARE IN SAGUARO NATIONAL MONUMENT. |
 ROYAL PALMS (ROYSTONEA FLORIDANA) LOOM ABOVE THE OTHER TREES OF ROYAL PALM HAMMOCK, EVERGLADES NATIONAL PARK, FLA. THIS HAMMOCK WAS FORMERLY PART OF A FLORIDA STATE PARK. |
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Last Modified: Fri, Feb 9 2007 10:00:00 pm PST |