| SVCK Number: | 462 |
| Genus: | Cosmarium |
| Species: | cyclicum |
| Class: | Zygnematophyceae |
| Order: | Desmidiales |
| Family: | Desmidiaceae |
| Recommended Medium: | CHU |
| Collector: | Engels, M. |
| Collection Country: | Sweden |
| Collection Locality: | Nuolja, Nationalpark Abisko, Schweden (uncert. approx. 1000m) |
| Geo Coordinates WGS84: | N 68° 22' 21", E 18° 41' 55" |
| Date of Collection: | 01.01.1998 |
| Determined by: | Engels, M. |
| Red List Information, UK (Brodie et al., 2007): | var. arcticum and nordstetianum listed as endangered (Cat 2) |
| Non-Identical Isolates: | ACOI: 1799 |
| Remark(s): | origin IPM, isolated by Engels, M. |