Pryer, KMHaufler, CH2020-12-052020-12-051993-010363-6445https://hdl.handle.net/10161/21848Science & TechnologyLife Sciences & BiomedicinePlant SciencesEvolutionary BiologyELECTROPHORETIC EVIDENCEGENUS GYMNOCARPIUMNORTH-AMERICAPTERIDOPHYTESEVOLUTIONCOMPLEXPOLYPLOIDYFERNSTAXAIsozymic and Chromosomal Evidence for the Allotetraploid Origin of Gymnocarpium dryopteris (Dryopteridaceae)Journal article2020-12-05