| Collector | Alanko, P. |
| Number | 66181 |
| Collected with | |
| Country | Finland |
| Subpart | Pohjois-Häme |
| County | |
| Locality | Ähtäri, Itä-Ähtäri Village, NE of Salokangas farm house. I shallow water in a sand pit by the road. Grid 27°E: 6957 : 352 |
| Coordinates | 62° 42' N 24° 1' E |
| Minimum elevation (m) | 160 |
| Maximum elevation (m) | 160 |
| Start date | 1989/08/27 |
| End date | 1989/08/27 |
| Family | Sparganiaceae |
| Identification | Sparganium hyperboreum Laest. ex Beurl. |
| Determined by | P. Alanko |
| Identification qualifier | |
| Field notes | Mostly sterile. This species is common in the northern parts of Finland, rare in the central parts, and totally lacking in the southern parts of the country |
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