Journal of the Arizona Academy of Science · 1964 · 91 citations · 7 references
Life SciencesBotanyEcologyPlant EcologyRangeland EcologyTerrestrial EcologyMountain EcologyMountain EcosystemsShrubland EcologySpecies RichnessVegetation CompositionVegetation StructureDesert Plant EcologyEcological Site ClassificationMountain Plant Community EcologyMountain Plant EcologyVegetation Type Classification
R. H. Whittaker, W. A. Niering, Vegetation of the Santa Catalina Mountains, Arizona. I. Ecological Classification and Distribution of Species, Journal of the Arizona Academy of Science, Vol. 3, No. 1 (Mar., 1964), pp. 9-34
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The Saguaro: A Population in Relation to Environment
William A. Niering, R. H. Whittaker, C. H. Lowe · Science · 1963 · 346 citations
Stanley A. Cain · The Botanical Review · 1950 · 256 citations
Biogeography: An Ecological Perspective.
William E. Martin, Pierre Dansereau · Bulletin of the Torrey Botanical Club · 1957 · 239 citations
Natural Sciences, Biology, Ecology +12
Trees, Shrubs and Woody Vines of the Southwest
Harold E. Grelen, Robert A. Vines · Journal of Range Management · 1961 · 231 citations