Eragrostis cf dielsii 1 Lake Newton, Western Australia 111005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis cf dielsii 2 Lake Newton, Western Australia 111005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis cf dielsii 3 Lake Newton, Western Australia 111005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 1 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 2 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 3 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 4 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 5 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 6 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 7 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 8 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis curvula 9 Malmö Sk 180913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

Eragrostis minor 1 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 10 Malmö Central Station Sk 131001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 11 Malmö Central Station Sk 131001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 12 Malmö Central Station Sk 131001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 13 Tåstrup stn, Sjaelland DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 14 Tåstrup stn, Sjaelland DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 15 NE of Dünaburg, Latvia 100712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 2 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 3 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 4 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 5 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 6 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 7 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 8 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis minor 9 Limhamn Sk 090804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 1 Damhusåens disposal plant, Copenhagen DK 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 10 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 11 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 12 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 15 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 16 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 2 Damhusåens disposal plant, Copenhagen DK 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 20 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 22 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 23 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 3 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 4 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 5 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 6 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 7 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 8 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 9 Damhusåens disposal plant, Copenhagen DK 120902 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 1 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 10 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 9 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis cf dielsii 4 Lake Newton, Western Australia 111005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis cf dielsii 5 Lake Newton, Western Australia 111005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Eragrostis mexicana 10 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

Eragrostis mexicana 8 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis mexicana 9 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 13 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 14 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 17 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 18 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 19 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis multicaulis 21 Malmö Sk 180810 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis tef Bergianska, Stockholm 041005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 2 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 3 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 4 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 5 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 6 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 7 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Eragrostis variabilis 8 Iliau Loop Trail, Kauai, Hawaii 130713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).