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Plant collecting -- South America. : Relevance and sustainability of wild plant collection in NW South America : insights from the plant families Arecaceae and Krameriaceae / Grischa Brokamp ; foreword by Prof. Dr. Maximilian Weigand and Prof. Dr. Hartmut H. Hilger.
Plant communities -- Arctic regions. : Species and communities in extreme environments : festschrift towards the 75th anniversary and a laudatio in honour of academician Yuri Ivanovich Chernov / edited by S.I. Golovatch [and others].
Plant communities -- Arizona. : Tree canopy types constrain plant distributions in ponderosa pine-Gambel oak forests, northern Arizona / Scott R. Abella.
Plant communities -- California -- Owens Valley. : Estimates of evapotranspiration in alkaline scrub and meadow communities of Owens Valley, California, using the Bowen-ratio, Eddy-correlation, and Penman-combination methods / by Lowell F.W. Duell, Jr.
Plant communities -- Idaho. : Riparian reference areas in Idaho : a catalog of plant associations and conservation sites / Mabel Jankovsky-Jones, Steven K. Rust, Robert K. Moseley.
Plant communities -- Identification. : Classification and description of world formation types / Don Faber-Langendoen, Todd Keeler-Wolf, Del Meidinger, Carmen Josse, Alan Weakley, David Tart, Gonzalo Navarro, Bruce Hoagland, Serguei Ponomarenko, Gene Fults, Eileen Helmer ; Hierarchy Revisions Working Group, FGDC Vegetation Subcommittee.