"Large gametophytes of equisetum-hyemale in Northern California" in American Fern Journal

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

"Ant Dispersal of a Neotropical Forest Floor Gesneriad" in Biotropica

"Pollination Biology of Asarum caudatum (Aristolochiaceae) in Northern California" in Systemic Botany

"Food-Foraging Behavior of Male Euglossini (Hymenoptera: Apidae): Vagabonds or Trapliners?" in Biotropica

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

"A Re-Evaluation of a Green-Flowered Asarum (Aristolochiaceae) from Southern Oregon" in Brittonia

"The Status of Asarum Marmoratum (Aristolochiaceae)" in Brittonia

"Pollination biology of asarum hartwegii (aristolochiaceae): an evaluation of Vogel's mushroom fly hypothesis" in Madrono