Campbell, Christopher S.(Nombre personal)

nuc89-45515: His Flora of Oxford County, Maine, 1980 (hdg. on MoSB rept.: Campbell, Christopher S.; usage: Christopher S. Campbell)

OCLC, November 29, 2016 (access point: Campbell, Christopher S.; usage: Christopher S. Campbell)

His web page, via University of Maine School of Biology and Ecology website, November 29, 2016 (Christopher S. Campbell; Professor of Plant Systematics; research topics: Plant systematics, molecular phylogeny, reproductive biology, and quantitative morphology; author of Plant systematics: a phylogenetic approach; christopher_campbell@umit.maine.edu) https://sbe.umaine.edu/campbell/