Agrostis capillaris 3 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis capillaris 4 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis capillaris 5 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 3 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 4 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 5 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 6 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 7 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis nebulosa 5 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 2 Knösen, Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 3 Knösen, Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 4 Knösen, Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 9 Eskilstorps Ängar, Eskilstorp Sk 150625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 1 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 2 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 3 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 4 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 5 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 6 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis aequata 7 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis capillaris 1 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis capillaris 2 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

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

Agrostis fasciculata 6 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis fasciculata 7 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 1 Dammstakärret, Uppland 980812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis gigantea 2 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis nebulosa 1 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis nebulosa 2 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis nebulosa 3 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis nebulosa 4 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis sandwicensis 1 Haleakala, Maui, Hawaii 130716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis sandwicensis 2 Haleakala, Maui, Hawaii 130716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis sandwicensis 3 Haleakala, Maui, Hawaii 130716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis scabra 1 Banverket, Central Station, Göteborg 990715 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis scabra 2 Banverket, Central Station, Göteborg 990715 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 1 Knösen, Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 10 Eskilstorps Ängar, Eskilstorp Sk 150625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 11 Børselven, Porsanger, Finnmark, Norway 220723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 5 Knösen, Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 6 Eskilstorps Ängar, Eskilstorp Sk 150625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 7 Eskilstorps Ängar, Eskilstorp Sk 150625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis stolonifera 8 Eskilstorps Ängar, Eskilstorp Sk 150625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis vinealis 1 Lilla Sickla, Hammarbyhöjden, Södermanland 980811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Agrostis vinealis 2 Lilla Sickla, Hammarbyhöjden, Södermanland 980811 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).