Over verspreiding en periodiciteit van de zoetwaterwieren in Drentsche heideplassen : bijdrage voor het samenstellen een...
The pools were all situated in the diluvium of the Dutch northern province of Drente. From the macroflora 3 main types of pools were distinguished which paralleled 3 clearly distinguishable associations of the algal flora. Several algae may serve as type species. In plankton collected and isolated by centrifuging from open water, Flagellatae usuall...