Phalaris arundinacea 10 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 8 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 9 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris aquatica 1 Lastos, Karpathos, Greece 040519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris aquatica 2 Lastos, Karpathos, Greece 040519 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 1 Edsberg, Sollentuna 060622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 1 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 2 Edsberg, Sollentuna 060622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 2 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 3 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 4 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 5 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 6 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea 7 Lilla Hammar, Stora Hammar Sk 150620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris arundinacea Utö, Södermanland 920623 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris canariensis 1 Helsingborg, Skåne 781005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris canariensis 2 Edstippen, Uppland 050911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris cf aquatica 1 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris cf aquatica 2 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris cf aquatica 3 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris cf aquatica 4 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris minor 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris minor 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris minor 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris minor 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 1 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 2 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 3 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 4 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 5 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 6 Molivos, Lesvos, Greece 130511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 7 Petra, Lesvos, Greece 100516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Phalaris paradoxa 8 Petra, Lesvos, Greece 100516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).