Abstract
The development of the prokaryotic colony inAzolla filiculoides indicates thatAnabaena azollae is maintained through the life cycle of the fern and present in the leaves and megasporocarps. The same biological pattern is applied to the bacteria that are also present in these structures and seems to follow a development pattern identical to the cyanobacteria and probably can be considered the third partner of this symbiotic association.
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Carrapiço, F. Are bacteria the third partner of theAzolla-Anabaena symbiosis?. Plant Soil 137, 157–160 (1991). https://doi.org/10.1007/BF02187448
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DOI: https://doi.org/10.1007/BF02187448