City of Trees: The Complete Field Guide to the Trees of Washington, D.C., Third Edition by Melanie Choukas-Bradley, illustrations by Polly Alexander. 2008. xxii + 438 pp. illus. line drawings, maps, color photos. ISBN 978-0-8139-2688-9 $27.95 (paper). University of Virginia Press, Charlottesville, VA.

Field Guide to Tidal Wetland Plants of the Northeastern United States and Neighboring Canada: Vegetation of Beaches, Tidal Flats, Rocky Shores, Marshes, Swamps, and Coastal Ponds by Ralph W. Tiner. 2009. xviii + 459 pp. illus., 11 maps. ISBN 978-1-55849-667-5 $29.95 (paper). University of Massachusetts Press, Amherst, MA.

Grasses and Grassland Ecology by David J. Gibson. 2008. 320 pp. illus. 60 b/w, 15 color. ISBN 978-0-19-852919-4 $70.00 (paper). Oxford University Press, New York, NY.

Wildflowers of Massachusetts, Connecticut, and Rhode Island by William K. Chapman, Valerie Conley Chapman, Alan E. Bessette, and Arleen Rainis Bessette, botanical drawings...

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