Sheldon I. Guttman

Phylogenetic systematics of the Rana signata complex of Philippine and Bornean stream frogs: reconsideration of Huxley’s modification of Wallace’s Line at the Oriental-Australian faunal zone interface

Rafe M. Brown, Sheldon I. Guttman · Biological Journal of the Linnean Society · 2003 · 141 citations

Life Sciences, Biology, Evolutionary Biology +12

Electrophoretic Evidence of Reticulate Evolution in the Appalachian Asplenium Complex

Charles R. Werth, Sheldon I. Guttman, W. Hardy Eshbaugh · Systematic Botany · 1985 · 140 citations

Life Sciences, Genetics, Plant Sciences +15

Recurring Origins of Allopolyploid Species in <i>Asplenium</i>

Charles R. Werth, Sheldon I. Guttman, W. Hardy Eshbaugh · Science · 1985 · 138 citations

Life Sciences, Plant Biology, Plant Sciences +17

Genetic structure after forest fragmentation: a landscape ecology perspective on <i>Acer saccharum</i>

Stephanie A. Foré, R. James Hickey, John L. Vankat et al. · Canadian Journal of Botany · 1992 · 104 citations

Natural Resources, Ecology, Genetics +17

Mantle Biopsy: A Technique for Nondestructive Tissue-Sampling of Freshwater Mussels

David J. Berg, Wendell R. Haag, Sheldon I. Guttman et al. · Journal of the North American Benthological Society · 1995 · 101 citations

Life Sciences, Biostatistics, Ecology +9