Ref:
A new delimitation of the Afro-Eurasian plant genus Althenia to include its Australasian relative, Lepilaena (Potamogetonaceae) – Evidence from DNA and morphological data
https://www.sciencedirect.com/science/article/abs/pii/S1055790316000464
00-0-Copr_2016-Yu_Ito.jpg
xs sm lg
encycloquaria.com