Rhizoclonium riparium
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Cladophorales
- family: Cladophoraceae
- genus: Rhizoclonium
- species: Rhizoclonium riparium
- Port Adelaide
South Australia
Australia- Hamilton
Hamilton city- Saint George
Saint George
Bermuda- Bohars
A2
France- Bad Kissingen
Bavaria- Bad Salzungen
- Leimbach
Thuringia
Germany- Arecibo
Arecibo- La Parguera
Lajas
Puerto Rico- Poio
Galicia
Spain- Coylton
Scotland
United Kingdom- Dutch Harbor
- Unalaska
Alaska- Bridgeport
Connecticut- Tavernier
Florida- Northport
Maine- Everett
- Falmouth
- Malden
- Marblehead
- Mattapoisett
- Mattapoisett Center
- Medford
- Somerville
- Teaticket
Massachusetts- Hampton
- Hampton Falls
New Hampshire- Absecon
New Jersey
United States