Dactylis glomerata ssp glomerata 7 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 8 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 9 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 3 (cult) Visitor's Centre 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis smithii 1 La Caldera, Hoya Verde, La Palma 090514 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Dactylis smithii 2 La Caldera, Hoya Verde, La Palma 090514 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp aschersoniana 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp aschersoniana 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp aschersoniana 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp aschersoniana 4 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp aschersoniana 5 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 1 Höllviken Sk 120718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 10 near Trujillo SP 140509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 11 near Trujillo SP 140509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 2 Höllviken Sk 120718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 3 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 4 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 5 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp glomerata 6 E of Lund Sk 130607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp hispanica 1 Petrified Forest, Lesvos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp hispanica 1 SSE of Mandamados, Lesvos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp hispanica 2 SSE of Mandamados, Lesvos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp hispanica 3 Petrified Forest, Lesvos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp hispanica 4 Petrified Forest, Lesvos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis glomerata ssp hispanica 5 Petrified Forest, Lesvos, Greece 130510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 1 (cult) Visitor's Centre, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 2 (cult) Visitor's Centre 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 4 (cult) Visitor's Centre 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 5 (cult) Visitor's Centre 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 6 (cult) Visitor's Centre 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Dactylis metlesicsi 7 (cult) Visitor's Centre 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).