Pteridium aquilinum subsp. typicum R.M.Tryon

Third field expediton conducted to the U.S.S.R. under the USA/USSR
Cooperative Agreement in the Protection of the Environment, Project
VI.I - Protection of Native Species of Flora. Sponsored by the Cary
Arboretum of the New York Botanical Garden.
Plants of .the Sqviet Union
Southwestern Siberia,Altai Moutainè
Pteridium aquilinum (L.) Kuhn <e?< Pec k<?n,
U.S.S.R.: Russian Soviet Federated Socialist Republic: Gorno-Altaisk
Autonomous Oblast* Katun Ri^er camp
south of Ust-Syema, Binus sylvestns
Betula pendula dominant forest.
T. S. Elias, W. Weber & C. S. Tomb 4883	31 Aug. 1978
04015748