Chara aspera
- kingdom: Plantae
- phylum: Charophyta
- class: Charophyceae
- order: Charales
- family: Characeae
- genus: Chara
- species: Chara aspera
- Mödling
Lower Austria
Austria- Tornio
Pirkanmaa
Finland- Heringsdorf
- Seebad Bansin
- Seebad Heringsdorf
Mecklenburg-Vorpommern- Ballenstedt
Saxony-Anhalt
Germany- Hasslö
- Jämjö
- Kallinge
- Karlshamn
- Karlskrona
- Ronneby
- Sturkö
- Sölvesborg
Blekinge- Leksand
Dalarna- Östersund
Jämtland- Borgholm
- Kalmar
- Södra Sandby
Kalmar- Haparanda
Norrbotten- Björklinge
- Östhammar
Uppsala- Nordmaling
- Skelleftehamn
- Täfteå
Västerbotten- Hjo
Västra Götaland- Borensberg
- Motala
- Vadstena
Östergötland
Sweden- Aire-la-Ville
Geneva
Switzerland- Berrington
- Grindon
- Horwich
England
United Kingdom- Chicago
Illinois- LaPorte
Indiana- Turner
Maine- Manistee
Michigan- Ravenna
Nebraska- Lebanon
New Hampshire- Dundee
- Melrose Park
- Montauk
- Skaneateles
New York- Kitty Hawk
North Carolina- Lake Mills
- Legend Lake
Wisconsin
United States