Rhynchoryza is a genus of plants in the grass family. The only known species is Rhynchoryza subulata, native to Brazil (Rio Grande do Sul), Argentina (Santa Fe, Buenos Aires, Entre Rios, Corrientes, Chaco), Paraguay and Uruguay.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0