Title: Nordiska brombær : Rubus sect. Rubus, sect. Corylifolii og sect. Caesii /
Authors: Pedersen, Anfred.; Schou, Jens Christian, 1954-
Publisher: Botanical Institute, Aarhus University,
Year: 1989
Subjects: Rubus Identification.; Blackberries Scandinavia.; Rubus.