Hartu hau. : Vascular plants of Minnesota [electronic resource] : a checklist and atlas / Gerald B. Ownbey and Thomas Morley.

Izenburua : Vascular plants of Minnesota [electronic resource] : a checklist and atlas / Gerald B. Ownbey and Thomas Morley.

Sailkapena : Ez dago telefono-zenbakirik.

Egoera : Ezezaguna