| VKM No. | Ac-1251 |
| Scientific name of the strain | Frankia sp. |
| History | V.Sundman, UHF 01111 (Sundman V., Ai 15a) |
| Source of isolation | speckled alder, Alnus incana, root nodules |
| Country | Finland |
| Medium | 131 |
| Incubation temp. (C) | 28 |
| Storage methods | F-1, C-3 |
| Risk group | no |