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Journals and Conferences
Developmental studies of leaf glands in species of sect.Euphorbium Benth. make it doubtful that even the ones in stipular position are truly homologous with stipules.
Today herbicides are used in greater amounts than insecticides and they can cause contamination of natural waters in several ways. Nevertheless we only have little information on their action and… (More)
The fiveAretiastrum species investigated are differentiated by morphological, histological and palynological characteristics from one another and from woodyValeriana species. It seems justified to… (More)