biology, systematics and evolution of vascular plants, floristics, conservation biology, evolutionary processes, historical biogeography, evolutionary ecology

conservation biology, evolutionary ecology, fish ecology, stream ecology, freshwater ecology, northern California rivers, Pacific salmon

conservation biology, ecosystems, rangeland ecology and management, natural resources, Native American history, livestock, China

conservation biology, pollination, agroecology, entomology

evolutionary biology, development, ecology, systematics, phylogeny, comparative genomics, green plants, bryophytes, mosses, reproductive biology, phylogenetics, chloroplast DNA, classification, species concepts, biodiversity, Darwin, conservation biology

evolutionary biology, global change biology, conservation biology, ecological genomics