2010.06.04 Vienna XII. (roadside, poplar avenue, 195 m AMSL).Flowering in june-july (-september).Common; here with seeds of Populus nigra.German name: Knollen-PlatterbseID: Fischer & al., Exkursionsflora (2008 3rd)
2010.04.24 Austria, Lower Austria, district Bruck/Leitha (broadleaf forest 220 m AMSL).Relatively common.Habitus of plant reaching the end of its flowering cycle.German name: Frhlings-Platterbse