Klimko M., Szkudlarz P. - Morphological variability ofthe leaves of Chamedaphne calyculata (L.) Moench
Truchan M. - Interpopulation variability ofthe fruits of Ciadium mariscus (L.) Pohl in Poland
Pawlaczyk E. M., Bobowicz M. A., Korczyk A. F. - Variability ofthree populationsof Abies alba Mili. expressed in morphological and anatomical needletraits
Zielski A., Koprowski M. - Annual variation of ring width in Norway spruce - Picea abies (L.) Karsten in Olsztyn Lakeland
Mizianty M. - Ecological variability of plants and their systematics on example of Rhinanthus serotinus and Dactylis glomerata
Fedorowicz M. - The influence of salinity on Centaurea jacea L. population variability
Błaszkowski A. - The morphological variation ofrecent and subfossil cones of Scotspine (Pinus sylvestris L.) from the stands in Michelin
Kreft A. - Variation of Bulboschoenus maritimus (L.) Palia (=Scirpus maritimus L.)from the locality in Rowy (Pomorskie Voivodeship)
Nowakowski J. J., Wojciechowski Z. - What determines long-term variability of wing lengthin populations ofthe Swallow Hirundo rustica and the Reed WarblerAcrocephalus scirpaceus
Dzialuk A., Burczyk J. - Comparisonofgenetic diversity of Scots pine (Pinus sylvestris L.) from qualifiedseed-tree stand and clonal seed orchard
Burchardt L., Messyasz B. - Structural variation of the phytoplankton community in Lakę Kociołek (Wielkopolski National Park)
Jacuńska U., Soska R. - The influence of variable biotope conditions on thespecimen variable and abundance of Penium silvae-nigrae var. parallelumKrieg. from transitional moor
Strąg W., Barcikowski A. -Physiognomical and phenological variability of plant communities fromnear-ground level remotely sensed data
Woziwoda B. - Changes in oak-hombeam forest in the north part of the Wysoczyzna Łaska mesoregion (Central Poland)
Barabasz-Krasny B. - Changes of the vegetation in the meadows of the northem part ofthe Niepołomice Forest in the course of twenty years
Kokociński M., Burchardt L., Owsianny P. - Why Aphanizomenon flos-aquae (L.) Raifs donot create regular blooms in the Jelonek and Świętokrzyskie Lakes?
Paszko B. - Hybridization as a cause of taxonomic problems in the genus Calamagrostis in Poland - preliminary studies
Szczepaniak M. - Morphological variability ofPolish populations of Elymus repens from various habitat - preliminary report
Marska E., Wróbel J. - Response of two forms of Salix yiminalis L. to different substrate conditions
Załuski T. - Changes of vegetation in the "Bielinek" nature reserve
Paszek I. - Heterogeneity of habitats and vascular flora distribution (on theexample of the Research-Education Area in Czarny Bryńsk)
Jakubowska-Gabara J. - Changes of the distribution of Carex vaginata Tausch in the Bolimów Forest
Gawenda D. - The character and disturbances of seasonal dynamics in certain forest plants species
Maciejczak B. - Some xerothermic species within Busko-Zdrój urban area
Jankowska-Błaszczuk M. - Variability of soil seed banks of the natural deciduous forest