1. Department of Botany and Plant SciencesUniversity of California‐Riverside RiversideCalifornia92521USA
2. Department of BiologyUniversity of FloridaGainesvilleFlorida32611USA
3. Florida Museum of Natural HistoryUniversity of FloridaGainesvilleFlorida32611USA
4. Biodiversity InstituteUniversity of FloridaGainesvilleFlorida32611USA
5. Department of Ecology & Evolutionary BiologyUniversity of ArizonaTucson Arizona85721USA
6. Department of Biological SciencesUniversity of IdahoMoscowIdaho83844USA
7. Stillinger HerbariumUniversity of IdahoMoscowIdaho 83844USA