Polypodium vulgare agg. (4849' N 1553' E)

描述：

2010.06.13 Lower Austria, Hollabrunn/Thaya National Park (320 m AMSL).Sporangia (depending on species) in summer or fall.German name: TpfelfarnID: Fischer & al., Exkursionsflora (2008 3rd): I cannot determine beyond the species aggregate P. vulgare agg. - there are two possibles: P. vulgare s. str. and P. interjectum (or a hybrid of both); to decide which one sporangia (and possibly a microscope) would be necessary.