Alyssum 1b Lund Bot Garden 130528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 4a NW of Alanya, near Konya, Turkey 090409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 5a W of Paraskiri, Greece 050527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 5b W of Paraskiri, Greece 050527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 5c W of Paraskiri, Greece 050527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Alyssum alpestre 3 Lund Bot Garden 160530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alpestre 4 Lund Bot Garden 160530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alpestre 6 Lund Bot Garden 160530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alpestre 7 Lund Bot Garden 160530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alyssoides 4 Löderups Strandbad, Sk 080531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum cf heldreichii 4 the Katara Pass, N Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 10 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 11 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 17 near Zinvahli, Georgia 170423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 18 near Zinvahli, Georgia 170423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Alyssum desertorum 8 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum fulvescens 1 Profitis Ilias, Samos, Greece 920508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum fulvescens 2 Profitis Ilias, Samos, Greece 920508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 1 Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 3 Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 5 S Kratigos, Lesvos, Greece 130512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum minus Ambelos Padroso, Samos, Greece 920508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum minus ssp strigosum 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 1 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 10 Lund Bot Garden 160520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 4 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 5 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 6 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum 1 Trigrad gorge, Teshel, Bulgaria 120508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum 3 Lund Bot Garden 100521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum 4 Lund Bot Garden 100521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum 5 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 1 W Kuressare, Saaremaa, Estonia 100717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 3 W Kuressare, Saaremaa, Estonia 100717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 4 W Kuressare, Saaremaa, Estonia 100717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 5 W Kuressare, Saaremaa, Estonia 100717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 6 W Kuressare, Saaremaa, Estonia 100717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 1 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 2 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 3 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 4 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 5 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 6 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp montanum 7 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp repens 1 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium 1 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium 2 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium 3 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium ssp malacitanum 1 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium ssp malacitanum 3 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium ssp malacitanum 4 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium ssp malacitanum 5 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium ssp malacitanum 6 Cumbre de los Reales, Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum simplex 1 ESE Ronda, Andalusia SP 120326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum simplex 2 ESE Ronda, Andalusia SP 120326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum spinosum 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum spinosum 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum spinosum 5 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum umbellatum 1 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum umbellatum ESE Filia, Lesvos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

Alyssum xiphocarpum 7 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 1a Lund Bot Garden 130528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 2 Holomondas, Greece 050528 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 4b NW of Alanya, near Konya, Turkey 090409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum 5d W of Paraskiri, Greece 050527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Alyssum alpestre 5 Lund Bot Garden 160530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alyssoides 1 Hammars backar E of Ystad, Sk 120526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alyssoides 2 Hammars backar E of Ystad, Sk 120526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum alyssoides 3 Löderups Strandbad, Sk 080531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum cf heldreichii 1 the Katara Pass, N Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum cf heldreichii 2 the Katara Pass, N Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum cf heldreichii 3 the Katara Pass, N Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Alyssum desertorum 12 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 13 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 14 near Zinvahli, Georgia 170423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 15 near Zinvahli, Georgia 170423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum desertorum 16 near Zinvahli, Georgia 170423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

Alyssum desertorum 9 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 2 S Kratigos, Lesvos, Greece 130512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 4 S Kratigos, Lesvos, Greece 130512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 6 Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum lesbiacum 7 S Kratigos, Lesvos, Greece 130512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

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

Alyssum minus ssp strigosum 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum minus ssp strigosum 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 2 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 3 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 7 Lund Bot Garden 160520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 8 Lund Bot Garden 160520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum moellendorfianum 9 Lund Bot Garden 160520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum 2 Lund Bot Garden 100521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum 6 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 2 W Kuressare, Saaremaa, Estonia 100717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp gmelinii 7 Mandjala, Saaremaa, Estonia 050720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp repens 2 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp repens 3 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum montanum ssp repens 4 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum murale 1 Dadia, Thracia, Greece 060603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum murale 2 Dadia, Thracia, Greece 060603 - Kopia - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum murale 3 Dadia, Thracia, Greece 060603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum serpyllifolium ssp malacitanum 2 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum simplex 3 ESE Ronda, Andalusia SP 120326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum simplex 4 Sierra de las Nieves, Andalucía Spain 220409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum simplex 5 Sierra de las Nieves, Andalucía Spain 220409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum spinosum 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Alyssum spinosum 4 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Alyssum xiphocarpum 6 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).