Literature

Authors	Year	Title
M. Vöge	2006	The reproductive phenology of Isoetes lacustris L.: Results of field studies in Scandinavian lakes
M. Vöge	2004	Non-destructive assessing and monitoring of populations of Isoetes lacustris L
M. Vöge	1997	Plant size and fertility of Isoetes lacustris L. in 20 lakes of Scandinavia: A field study
M. Vöge	1997	Number of leaves per rosette and fertility characters of the quillwort (Isoetes lacustris L.) in 50 lakes of Europe: A field study

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