... Ageratum aquaticum, Ageratum strictum, Ethulia aquatica, Lavenia alba, Lavenia aquatica, Lavenia carnosa, Lavenia divaricata, Lavenia erecta ...

... syn: Nototrichium humile) does not have the characteristic dense silvery hairs on its leaves like its two sister species (A. divaricata, A. sandwicensis ...