| SVCK Number: | 277 |
| Genus: | Staurastrum |
| Species: | arcuatum |
| Variety: | subavicula |
| Class: | Zygnematophyceae |
| Order: | Desmidiales |
| Family: | Desmidiaceae |
| Recommended Medium: | EST |
| Collector: | Kies, L. |
| Collection Country: | United States of America |
| Collection Locality: | USA,Massachusetts, Falmouth, (Burnham´s Swamp near Falmouth) (uncert. approx. 2000m) |
| Geo Coordinates WGS84: | N 41° 33' 12", W 70° 36' 32" |
| Date of Collection: | 01.01.1964 |
| Determined by: | unknown |
| Red List Information, UK (Brodie et al., 2007): | critical, threatened with extinction (Cat.1) |
| Non-Identical Isolates: | ACOI: 360+1965+2906+2907+2908+2909 |
| Remark(s): | origin IPM, isolated by Kies, L. |
