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1 September 2007 Tolmiea diplomenziesii: A new species from the Pacific Northwest and the diploid sister taxon of the autotetraploid T. menziesii (Saxifragaceae)
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Abstract
Tolmiea diplomenziesii, the diploid entity traditionally treated within a broadly circumscribed Tolmiea menziesii, is here formally described. Evidence is provided that this new species represents the diploid sister lineage to T. menziesii, which is re-circumscribed to include only autotetraploid plants. The diploid and autotetraploid entities are compared, and serve as an example of the level of taxonomic evidence for specific status that we consider appropriate for recognition of a cytological entity as a distinct species.
Walter S. Judd, Douglas E. Soltis, Pamela S. Soltis and Gretchen Ionta "Tolmiea diplomenziesii: A new species from the Pacific Northwest and the diploid sister taxon of the autotetraploid T. menziesii (Saxifragaceae)," Brittonia 59(3), (1 September 2007). https://doi.org/10.1663/0007-196X(2007)59[217:TDANSF]2.0.CO;2
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