Alopecurus aequalis 1 Vitemölla, Vitaby, Skåne 810823 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 2 Tollevshaugen, Norway 820803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 3 Lake Ferguson, Kangerlussuaq, Greenland 140701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 1 S of Riddersholm, Uppland 860622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 5 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 8 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 9 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 5 Bäckhalladalen, Simrishamn Sk 150515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 6 Bäckhalladalen, Simrishamn Sk 150515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 7 Bäckhalladalen, Simrishamn Sk 150515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus myosuroides 11 Lund Sk 140626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus myosuroides 12 Lund Sk 140626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 4 Lake Ferguson, Kangerlussuaq, Greenland 140701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 5 Lake Ferguson, Kangerlussuaq, Greenland 140701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 6 Lake Ferguson, Kangerlussuaq, Greenland 140701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 7 Lake Ferguson, Kangerlussuaq, Greenland 140701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus aequalis 8 Lake Ferguson, Kangerlussuaq, Greenland 140701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 10 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 11 Slettmo, Troms, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 12 Slettmo, Troms, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 13 Slettmo, Troms, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 14 Slettmo, Troms, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 15 Slettmo, Troms, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 16 Slettmo, Troms, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 2 Vik, Rörum, Skåne 810610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 3 Vik, Rörum, Skåne 810610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 4 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 6 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus arundinaceus 7 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 1 Skanörs Ljung Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 2 Skanörs Ljung Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 3 Skanörs Ljung Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus geniculatus 4 Skanörs Ljung Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 1 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 2 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 3 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 4 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 5 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 6 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus gerardii 7 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus magellanicus 1 Tverrdalen-Reindalen, Svalbard 790720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus magellanicus 2 Tverrdalen-Reindalen, Svalbard 790720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus magellanicus Battfjellet, Svalbard 790719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Alopecurus myosuroides 10 Lund Sk 140626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

Alopecurus myosuroides 6 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus myosuroides 7 Lund Sk 140626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus myosuroides 8 Lund Sk 140626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus myosuroides 9 Lund Sk 140626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus pratensis 1 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus pratensis 2 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus pratensis 3 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus pratensis 4 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus pratensis 5 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alopecurus pratensis 6 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

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

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

Alopecurus rendlei 7 the Katara Pass, N Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).