Conferva patens
The species name Conferva patens may refer to:
- Conferva patens Dillwyn, 1809, synonym of Polysiphonia stricta (Rhodomelaceae, Rhodophyta, Plantae)
- Conferva patens C.Agardh, 1824, nom. illeg., synonym of Cladophora fracta (Cladophoraceae, Chlorophyta, Plantae)