Species
Bistorta officinalis
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harilik ussitatar
| Total records | 20 ( ) |
| Total species | 1 |
| Records in Estonia | 20 ( ) |
| Species in Estonia | 1 |
| First occurrence in Estonia | 1855-06-19 |
| Latest occurrence in Estonia | 2025-06-08 |
| First occurrence in Estonia this year | 2025-06-07 |