Adaptive Radiation and Hybridization in the Hawaiian Silversword Alliance - Looks at how this species, exhibiting an extraordinary range of anatomical, morphological, and ecological adaptations, evolved from a single ancestor that colonized Hawaii by way of long-distance dispersal from North America.
Evolution Library: Adaptive Radiation - Collection of articles, interviews, and links addressing the process by which species evolve rapidly to exploit empty ecospace.
Wikipedia: Adaptive Radiation - Hyperlinked article about adaptive radiation, the rapid speciation of a single or a few species to fill many ecological niches.
