Avena barbata Pefkochori, Greece 050524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Avena cf sterilis 1 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Avena cf sterilis 2 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Avena cf sterilis 3 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Avena strigosa 1 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 10 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 11 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 2 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 3 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 4 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 7 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 8 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 9 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena alba 1 Dadia, Thracia, Greece 060604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena alba 2 Dadia, Thracia, Greece 060604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Avena brevis 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena cf barbata 1 Magaluf, Mallorca 110422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena cf barbata 2 Magaluf, Mallorca 110422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena cf barbata 3 near Trujillo SP 140509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena cf barbata 4 near Trujillo SP 140509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena fatua 1 E of Lund, Skåne 930810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena fatua 2 E of Lund, Skåne 930810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 5 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Avena strigosa 6 W of Åhus Sk 210805 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).