| SVCK Number: | 337 |
| Genus: | Closterium |
| Species: | cornu |
| Class: | Zygnematophyceae |
| Order: | Desmidiales |
| Family: | Closteriaceae |
| Recommended Medium: | BG11 |
| Collector: | Tassigny, M.? |
| Collection Country: | France |
| Collection Locality: | France (uncert. approx. 457142m) |
| Geo Coordinates WGS84: | N 46° 50' 43", E 2° 19' 32" |
| Date of Collection: | 01.01.1966 |
| Determined by: | Mix, M. |
| Red List Information, UK (Brodie et al., 2007): | varieties listed as vulnerable (Cat.3) |
| Strain in other Collections: | yes |
| Non-Identical Isolates: | ACOI: 407+504+1188+1189+1245+1531 |
| Remark(s): | origin SAG 132.80, isolated by Tassigny, M. |