| SVCK Number: | 539 |
| Genus: | Cosmarium |
| Species: | subcrenatum |
| Class: | Zygnematophyceae |
| Order: | Desmidiales |
| Family: | Desmidiaceae |
| Recommended Medium: | EST0.5 |
| Collector: | Kusel, E. |
| Collection Country: | Norway |
| Collection Locality: | Spitzbergen, Svalbard und Jan Mayen (Magdalene Fjord) (uncert. approx. 5000m) |
| Geo Coordinates WGS84: | N 79° 36' 21", E 11° 51' 16" |
| Date of Collection: | 01.08.1992 |
| Determined by: | unknown |
| Red List Information, UK (Brodie et al., 2007): | var. divaricatum listed as vulnerable (Cat.3) |
| Non-Identical Isolates: | ACOI: 116+354+1811+2815+2852; CCAC: ASW 07144; SAG 142.80 |