"The gametophytes of Ophioglossum Palmatum L." in American Journal of Botany

"Pollination biology of Listera Cordata (Orchidaceae)" in American Journal of Botany

"Gametophytes and Young Sporophytes of Ophioglossum Crotalophoroides Walt" in American Journal of Botany

"The Effectiveness of Fungus Gnats as Pollinators" in American Journal of Botany

"Seed dispersal of Trillium Ovatum (Liliaceae) in second-growth redwood forests" in American Journal of Botany

"Pollen foraging by bumblebees: Foraging patterns and efficiency on Lupinus polyphyllus" in Oecologia

"Estimation of self-fertilization rate and allelic frequencies in diploidized tetraploids" in Heredity

"Evidence for natural selection in a fern hybrid zone" in American Journal of Botany