A Revised Classification of Antennaria (Asteraceae: Inuleae) of the Eastern United States

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Abstract
Review of morphology, cytology, breeding behavior, and field observations has resulted in a revised classification of Antennaria as represented in the eastern United States. Four sexual diploid (n=14) species are recognized, namely A. plantaginifolia, A. neglecta, A. solitaria, and A. virginica. These diploids act as pillars that support a polyploid complex consisting of A. Parlinii s.l. with two subspecies including A. Parlinii subsp. fallax, comb. nov., and A. neodioica s.l. with three subspecies, including A. neodioica subsp. canadensis, comb. nov., and A. neodioica subsp. petaloidea, comb. nov. Many of the polyploids are apomictic and that has affected taxonomic difficulties.

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