Index Muscorum
Subtitle: v.3. : (Hypnum - O)
By: Wijk, R. van der, Chief Editor, W.D. Margadant, and P.A. Florschütz
Series: Regnum vegetabile -- v.33
Publisher: International Bur. for Plant Taxonomy.
Published: 1964
Place of publication: Utrecht
Language: ger
Number of pages: 529