Sesleria caerulea 1 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 10 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 11 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria rigida 1 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 3 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 4 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 5 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 6 Copenhagen Bot Garden 080513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 3 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 4 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 6 Copenhagen Bot Garden 150421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 7 Copenhagen Bot Garden 150421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 1 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 10 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 11 Copenhagen Bot Garden 140424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 12 Gyetorp, Trolle-Ljungby Sk 200425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 13 Gyetorp, Trolle-Ljungby Sk 200425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria autumnalis Bergianska, Stockholm 030814 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 2 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 3 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 4 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 5 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 6 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 7 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 8 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria caerulea 9 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 1 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 2 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 3 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 4 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 5 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 6 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria heufleriana 7 Lund Bot Garden 150422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria rigida 2 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria rigida 3 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria rigida 4 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 1 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 2 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 7 Copenhagen Bot Garden 160504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria robusta 8 Copenhagen Bot Garden 160504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 1 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 2 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria sadleriana 5 Copenhagen Bot Garden 150421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 2 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 3 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 4 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 5 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 6 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 7 Russvätar, Ardre, Gotland 110506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 8 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sesleria uliginosa 9 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).