Pteridium aquilinum
(L.) Kuhn ex Decken
LE 170538. Place of collection: Russia; Leningradskaya oblast; Sankt Peterburg raion; St Petersburg; Botanical Institute, garden (N59°58' E30°19'). Date of collection: 22 May 1922. Associated organism: Cryptomycina pteridis. Collector: Lebedeva, L.A..