Flooded meadow communities an analysis of their productivity in a wet year Jana Jakrlová OriginalPaper 01 December 1968 Pages: 345 - 354
Productivity studies on heath vegetation in southern Australia the use of fertilizer in studies of production processes Richard Jones OriginalPaper 01 December 1968 Pages: 355 - 362
Taxonomische Revision der GattungThelopsis Nyl. (Lichenisierte Fungi) Antonín Vězda OriginalPaper 01 December 1968 Pages: 363 - 406
New taxa and combinations in the subsectionHeterophylla (Witas.) Fed. of the genusCampanula L Miloslav Kovanda OriginalPaper 01 December 1968 Pages: 407 - 411
Zur Verbreitungsbiologie der artVirga strigosa (Willd.) Holub Marie Lhotská Brief Communications 01 December 1968 Pages: 413 - 418
Contribution a l’etude phytogeographique de l’ecologie du developpement Claude-Charles Mathon Reports and Reviews 01 December 1968 Pages: 419 - 435