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HERBARIUM UNWERSITATIS OULUENSIS
PLANTAE FENNICAE
Rhynchospora fusca (L.) Aiton
Oulun Pohjanmaa. Yli-Ii. Nauruansydanmaa.
NW corner of Isosuo, between Murtomaa and Lai-
vakangas just N of Valioja.
Drying surface of an extensive moss-sedge flark
in recent ditching area of a mesotrophic string
bog-flark fen complex on rather shallow turf,
formerly apparently very wet situation.
Abnundant as a co-dominant with Rhynohospora al-
ba and Trichophorum alpinum, also as pure stands
in several square meters' patches. + Trichopho-
rum cespitosum, Eriophorum angustifolium, Carex
livida.
Grid 27OE 721469:L1M86, eiev. ca. 65 m a.s.l.
1M.8.1985/no. 7 coll. et. det.
Martti Ohenoja

