Amaranthus 1a Madrid SP 140510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus 1b Madrid SP 140510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus acutilobus 1 Copenhagen Bot Garden 130807 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus acutilobus 2 Copenhagen Bot Garden 130807 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus acutilobus 4 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus albus 2 Daugavpils stn, Latvia 100712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus albus 3 Dalby Sk 121005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitoides 1 Sjölunda, Malmö, Skåne 940901 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitoides 2 Sjölunda, Malmö, Skåne 940901 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 1 (spontaneous) Lund Bot Garden 120911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 3 (spontaneous) Lund Bot Garden 140912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 4 (spontaneous) Lund Bot Garden 140912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 7 (spontaneous) Lund Bot Garden 210725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 8 (spontaneous) Lund Bot Garden 210725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 9 (spontaneous) Lund Bot Garden 210725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum ssp oleraceum 1 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum ssp oleraceum 2 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum ssp oleraceum 3 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Amaranthus caudatus 3 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus deflexus 1 Klerkegade, Copenhagen DK 930918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus graecizans var silvestris 1 Copenhagen Bot Garden 130807 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus graecizans var silvestris 3 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 1 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 2 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 7 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen DK 140922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 8 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen DK 140922 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 9 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus retroflexus 1 Saulkrasti, Latvia 100716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus retroflexus 5 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus acutilobus 3 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus acutilobus 5 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus albus 1 Daugavpils stn, Latvia 100712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 2 (spontaneous) Lund Bot Garden 120911 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 5 (spontaneous) Lund Bot Garden 140912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus blitum 6 (spontaneous) Lund Bot Garden 140912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus bouchonii 1 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus bouchonii 2 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus bouchonii 3 Lund Bot Garden 121011 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus caudatus (cult) 1 Edsberg, Sollentuna, Uppland 050816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus deflexus 2 Klerkegade, Copenhagen DK 930918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus graecizans var silvestris 2 Copenhagen Bot Garden 130807 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus graecizans var silvestris 4 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 3 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 4 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 5 Komposteringsanlaeg, Selinevej, Kalvebod Faelled, Copenhagen 131017 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus hybridus ssp powellii 6 Bergianska 060916 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus retroflexus 2 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus retroflexus 3 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus retroflexus 4 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus spinosus 1 Bergianska 060830 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Amaranthus spinosus 2 Bergianska 060830 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).