- Caption: Common Name: American Elm, Scientific Name: Ulmus americana , Size: 3.94” (10 cm) long, Location: Hallett Nature Sanctuary, Central Park, New York City, Contact: David Liittschwager, Natural History Photography, 120 Parnassus Avenue #1, San Francisco, CA 94117, cell: 415 531 6882, email: liittschwager@mac.com
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