Professor Risto Tuomikoski memorial issueTimo Koponen, Sinikka Piippo, Isoviita, Pekka, ǂd 1931- · First published 2013Open the Tome
Isothecium alopecuroides, comb. nova, and I. myosuroidesPekka Isoviita · First published 1981Open the Tome
Typification of Drepanocladus sendtneri (Musci, Amblystegiaceae)Pekka Isoviita, Timo Koponen · First published 1981Open the Tome
S.O. Lindberg's bryological reports in Finnish newspapersPekka Isoviita · First published 1980Open the Tome
Dillenius's Historia muscorum as the basis for hepatic nomenclature, and S.O. Lindberg's Collection of Dillenian bryophytesPekka Isoviita · First published 1970Open the Tome
Scopoli's lichen specimens and the typification of Lobaria scrobiculata (Scop.)DCIsao Yoshimura, Pekka Isoviita · First published 1969Open the Tome
Dicranum leioneuron Kindb. and the other Dicranum mosses inhabiting raised bogs in FinlandTeuvo Ahti, Pekka Isoviita · First published 1962Open the Tome
[Collected worksIsao Yoshimura, Aaron J. Sharp, Pekka Isoviita, D. L. Hawksworth, Syo Kurokawa · First published 1952Open the Tome