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Filling a morphological gap between Australasian and Eurasian/African members of Althenia (Potamogetonaceae, Alismatales): A. hearnii sp. nov. from SW Western Australia

. Phytotaxa. 317, 1 (Aug. 2017), 53–60. DOI:https://doi.org/10.11646/phytotaxa.317.1.5.