| SVCK Number: | 124 |
| Genus: | Cosmocladium |
| Species: | constrictum |
| Class: | Zygnematophyceae |
| Order: | Desmidiales |
| Family: | Desmidiaceae |
| Recommended Medium: | EST0.5 dark |
| Collector: | Whirtford, L.A. |
| Collection Country: | United States of America |
| Collection Locality: | Raleigh, North Carolina, USA (small pond 30 km north-east. Raleigh, Wake County) (uncert. approx. 5000m) |
| Geo Coordinates WGS84: | N 35° 59' 29", W 78° 21' 28" |
| Date of Collection: | 01.04.1964 |
| Determined by: | Mix, M. |
| Red List Information, UK (Brodie et al., 2007): | critical, threatened with extinction (Cat.1) |
| Non-Identical Isolates: | ACOI: 1678; CCAC: 0217+ASW 07118; NIES: 248 |
| Remark(s): | origin IPM, isolated by Mix, M. |
