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Year Vol.
(Issue) Pages Author(s) Title

2008 31 90-97 Z. Kvacek, Josef Bogner Twenty-million-year-old fruits and seeds of Pistia (Araceae) from central Europe (Buy)
ABSTRACT: First fossil fruits of Pistia (Araceae, Aroideae) are reported from the Early Miocene lignite in North Bohemia. They co-occur with dispersed seeds identified as Pistia sibirica Dorofeev, a morpho-species spread in the Late Oligocene and Early to Middle Miocene deposits of western Eurasia. These fruits remain different only in smaller size from those produced by Pistia stratiotes L., a pantropic floating aquatic aroid and the only extant species of the genus.