Nieuwe bramen uit het noorden van Nederland

Six new Rubus species from the nothern part of the Netherlands are described and illustrated: Rubus beijerinckii Meijer (ser. Sylvatici (P.-J. Müller) Focke), R. coccinatus Meijer (ser. Subidaei (Focke) Hayek), R. magnisepalus Meijer, R. speculans Meijer (both ser. Subsilvatici Focke), R. surrectus Meijer (ser. Subthyrsoidei (Focke) Focke) and R. spiculus Meijer (ser. Subradulae Watson).