Exotic species may gain a competitive advantage over native ones by leafing or blooming earlier in the growing season
Genetic integrity of ex situ Coffea collections are being compromised due to cross pollination by other species
Position in canopy changes plant chemistry and herbivory
Explorer, artist, entomologist and activist
Negative density-dependence in female rhesus macaque fertility
An under-celebrated leader of western US botany.
Biogeography: why are species where they are?
Climate change is allowing the rapid northward movement of a hybrid zone between two common backyard birds (black-capped and Carolina chickadees)
The first 'big' work on non-native plants!