Typhaceae  

Typhaceae (incl. Sparganiaceae)

The familial boundaries of Typhaceae and Sparganiaceae have long been controversial. Both are probably better merged, as suggested by recent molecular phylogenetic research (APG III 2009; see also Stace 2010).

• Flowers in cylindrical spikes === Typha
• Flowers in globose heads (native) === Sparganium

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Literature

APG III (2009) An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. APG III. Bot. J. Linn. Soc. 161(2): 105-121.

Stace C. (2010) New flora of the British Isles, 3th ed.: XXXII + 1232 p. Cambridge University Press.