Species ruborum.
Subtitle: Monographiae generis rubi prodromus.
By: Auctore Wilhelm Olbers Focke.
Series: Bibliotheca botanica ... Hrsg. von C. Luerssen. hft.72,83; Bibliotheca botanica -- Heft 72, 83.
Publisher: E. Schweizerbart
Published: 1910
Place of publication: Stuttgart
Language: lat
Subjects: Rubus