Tom A. RankerTom A. Ranker received his Ph.D. in Botany from the University of Kansas. He is President of the International Association of Pteridologists (2005–11) and is a past President of the American Fern Society. From 1990 to 2007, Dr Ranker was the Curator f Botany at the Museum of Natural History and a faculty member in the Department of Ecology and Evolutionary Biology, University of Colorado, Boulder. Beginning in 2008 he joined he faculty of the Department of Botany, University of Hawai'i, Manoa, Honolulu. Read More Read Less