Professor Risto Tuomikoski memorial issueTimo Koponen, Sinikka Piippo, Isoviita, Pekka, ǂd 1931- · First published 2013Open the Tome
Dr. Ming-Jou Lai memorial volumeTimo Koponen, Sinikka Piippo, Erkki Reinikka · First published 2010Open the Tome
A guide to the common liverworts and hornworts of SingaporeSinikka Piippo · First published 2002Open the Tome
From Finland to Japan to New Guinea to ChinaTimo Koponen, Jaakko Hyvönen, Sinikka Piippo · First published 1999Open the Tome
Suomen vesisammalkasvioTimo Koponen, Krister Karttunen, Sinikka Piippo, Suomen Sammalseura · First published 1995Open the Tome
Novelties for the Philippine hepatic floraBenito Ching Tan, Sinikka Piippo · First published 1992Open the Tome
A monograph of the genera Lepidolejeunea and Luteolejeunea (Lejeuneaceae, Hepaticae)Sinikka Piippo · First published 1986Open the Tome
Epiphytic bryophytes as climatic indicators in Eastern FennoscandiaPiippo. Sinikka. · First published 1982Open the Tome
