United States, Texas, Brazoria, San Bernard National Wildlife Refuge; Bird Pond Tract, E of FM 524, along a pipeline corridor about 740' E of the end of County Road 720, at the S boundary of the unit
abundant aquatic liverwort, floating submerged in Bird Pond; in a disturbed site, with hydric, heavy clay soils; associated with Fraxinus pennsylvanica, Forestiera acuminata, Leitneria floridana, Aster spinosus, Sesbania drummondii, Sabal minor and Ranunculus spp. GPS - UTM 15, 228198E, 3226110N (NAD 83).