Epilobium 1a La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 2 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 3 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 6 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 7 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Epilobium alsinoides 1 Stratford NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 3 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 4 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 5 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Epilobium densiflorum 2 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 6 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 7 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 8 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 9 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum Bergianska, Stockholm 010829 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum 4 Ljunghusen, Stora Hammar Sk 130804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum 5 Lund Sk 120722 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum x palustre 1 S of Lyngsjö, Skåne 840827 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum x palustre 2 S of Lyngsjö, Skåne 840827 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hornemannii 4 Ansätten Jämtland 090704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium kingdonii 2 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium komarovianum 1 Lund Bot Garden 130816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium komarovianum 4 Lund Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium komarovianum 5 Lund Bot Garden 080905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lactiflorum 2 Torne Lappmark, Lullihatjårro 110728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lactiflorum 4 Torne Lappmark, Lullihatjårro 110728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lactiflorum 5 Torne Lappmark, Lullihatjårro 110728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lamyi 3 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lamyi 5 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lamyi 6 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium montanum 2 Pålsjö, Helsingborg Sk 130813 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium montanum 3 Pålsjö, Helsingborg Sk 130813 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium montanum 5 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium montanum 6 Lund Sk 120702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 10 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 11 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 2 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 3 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 4 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 5 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 6 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 8 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 9 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre 4 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre 5 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre 6 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 6 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 7 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium parviflorum 4 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium parviflorum 5 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium roseum 2 Sveaborg FI 120804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium roseum 4 Bad Gastein, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium saximontanum 1 Helsinki FI 120728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium saximontanum 3 Helsinki FI 120728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium saximontanum 4 Helsinki FI 120728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 6 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 7 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium 1b La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium adenocaulon Edsberg, Sollentuna, Uppland 050621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 1 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 4 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alpestre 5 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinifolium 1 Kakella-Grimsa, Norway 820801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinifolium 2 Kakella-Grimsa, Norway 820801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Epilobium alsinoides 2 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 6 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 7 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 8 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium alsinoides 9 Taranaki (Mt Egmont) NZ 151111 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium anagallidifolium 1 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium anagallidifolium 2 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Epilobium cf davuricum SW of Vakketjåkka, Torne Lappmark 830727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium cf glandulosum 1 Lund Sk 070625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium cf glandulosum 2 Lund Sk 070625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium collinum Runmarö, Uppland 880731 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium davuricum Jotunheimen Fjellstue, Norway 820730 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 1 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 3 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 4 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium densiflorum 5 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium glandulosum 1 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium glandulosum 2 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium glandulosum 3 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum 1 Ljunghusen, Stora Hammar Sk 130804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum 2 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hirsutum 3 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hornemannii 1 Torne Lappmark, Lullihatjårro 110728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hornemannii 2 Torne Lappmark, Lullihatjårro 110728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium hornemannii 3 Ansätten Jämtland 090704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium kingdonii 1 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium komarovianum 2 Lund Bot Garden 130816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium komarovianum 3 Lund Bot Garden 130816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lactiflorum 1 Torne Lappmark, Lullihatjårro 110728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lactiflorum 3 Ansätten Jämtland 090704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lamyi 1 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lamyi 2 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lamyi 4 Hellerup, Copenhagen DK 120905 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lanceolatum 1 S of Agiasos, Lesvos, Greece 100513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium lanceolatum 2 S of Agiasos, Lesvos, Greece 100513 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium montanum 1 Pålsjö, Helsingborg Sk 130813 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium montanum 4 Pålsjö, Helsingborg Sk 130813 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 1 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium obscurum 7 Östra Sallerup Sk 160806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre 1 Ekebysjön, Danderyd, Uppland 050816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre 2 Ekebysjön, Danderyd, Uppland 050816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre 3 Ekebysjön, Danderyd, Uppland 050816 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 1 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 2 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 3 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 4 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 5 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium palustre var lapponicum 8 Jupukka, Pajala, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium parviflorum 1 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium parviflorum 2 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium parviflorum 3 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium roseum 1 Sveaborg FI 120804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium roseum 3 Bad Gastein, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium saximontanum 2 Helsinki FI 120728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 1 Lund Sk 120722 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 2 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 3 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 4 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Epilobium tetragonum 5 W of Dalby, Sk 120724 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).