Water net
- kingdom: Plantae
- phylum: Chlorophyta
- class: Chlorophyceae
- order: Sphaeropleales
- family: Hydrodictyaceae
- genus: Hydrodictyon
- species: Hydrodictyon reticulatum
Erlangen
BavariaAlbertstadt
Saxony
GermanyRåsunda
Skytteholm
Sundbyberg
Stockholm
SwedenPorterville
CaliforniaGreencastle
IndianaBelmont
Cambridge
East Falmouth
Somerville
Watertown
MassachusettsAnn Arbor
MichiganMinneapolis
MinnesotaNational Park
New Brunswick
Somerset
Trenton
New JerseyVergennes
Vermont
United States