Thalictrum 1d Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 1e Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 1f Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 2a Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 2b Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 2c Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3f Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3g Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3h Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 4d Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 4e Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 5a Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 5b Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum alpinum 3 Brattfjell near Tromsø, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum alpinum 4 Brattfjell near Tromsø, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 1 Andrarum Sk 090603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 10 NW of Dadia, Thracia, Greece 060606 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 11 Lund Bot Garden 070720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 12 Lund Bot Garden 070720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 14 NW of Stubbaröd, Stenestad Sk 210613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 15 NW of Stubbaröd, Stenestad Sk 210613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 16 NW of Stubbaröd, Stenestad Sk 210613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 17 NW of Stubbaröd, Stenestad Sk 210613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 3 Andrarum Sk 090603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 4 Andrarum Sk 090603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 5 Andrarum Sk 090603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum confine 1 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum confine 2 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum confine 3 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 10 Lund Bot Garden 121016 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 11 Lund Bot Garden 121016 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 12 Lund Bot Garden 121016 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 2 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 3 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

Thalictrum delavayi 9 Lund Bot Garden 121016 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum filamentosum 1 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum filamentosum 2 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum filamentosum 3 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum filamentosum 4 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum filamentosum 5 Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum flavum 10 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Thalictrum flavum 7 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum flavum 9 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum glaucum Lund Bot Garden 890614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum javanicum or uncinulatum 1 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum javanicum or uncinulatum 2 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 3 Kemeri, Latvia 060708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 5 Kemeri, Latvia 060708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 6 Kabina near Tartu, Estonia 100709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 7 Kabina near Tartu, Estonia 100709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 9 Les Freaux near La Meije FR 150706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 12 S of Rubjerg Knude, Rubjerg Klitplantage, Jylland DK 160613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 13 S of Rubjerg Knude, Rubjerg Klitplantage, Jylland DK 160613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 8 S of Rubjerg Knude, Rubjerg Klitplantage, Jylland DK 160613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 9 S of Rubjerg Knude, Rubjerg Klitplantage, Jylland DK 160613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 4 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 5 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 6 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 7 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 8 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 3 W of Stigmyr, Hangvar, Gotland 070803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 5 Fyns Hoved, Fyn DK 120901 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 6 Fyns Hoved, Fyn DK 120901 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 7 Fyns Hoved, Fyn DK 120901 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 8 Fyns Hoved, Fyn DK 120901 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 1 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 2 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 3 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 4 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 5 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 11 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 12 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 13 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 3 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 4 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 5 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 9 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 5 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 6 Vuonoviken W of Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 7 Vuonoviken W of Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 10 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 15 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 16 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 20 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 21 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 22 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum squamiferum Yunnan 1107 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum thalictroides 1 Storrs, Connecticut 900512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum thalictroides 2 Storrs, Connecticut 900512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum thalictroides 3 Storrs, Connecticut 900512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum tuberosum 2 near Linza, N Spain 180525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum tuberosum 3 near Linza, N Spain 180525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum tuberosum 4 near Linza, N Spain 180525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum tuberosum 5 near Linza, N Spain 180525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 1 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 10 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 11 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 2 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 3 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 4 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 5 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 6 Ekorrbäcken, Tärendö, Norrbotten 2207177 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 7 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 8 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum venulosum 9 Ekorrbäcken, Tärendö, Norrbotten 220717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum virgatum 1 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum virgatum 2 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 1a Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 1b Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 1c Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3a Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3b Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3c Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3d Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 3e Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 4a Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 4b Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 4c Dali, Yunnan 110706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum 5 (cult) Brunnby Sk 060801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum alpinum 1 Brattfjell near Tromsø, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum alpinum 2 Brattfjell near Tromsø, Norway 220718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum alpinum Unna Titer, Lule Lappmark 870714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 13 NW of Stubbaröd, Stenestad Sk 210613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 2 Andrarum Sk 090603 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 6 Valea Morii, Romania 090617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 7 Valea Morii, Romania 090617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 8 Valea Morii, Romania 090617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum aquilegiifolium 9 Valea Morii, Romania 090617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum cultratum Yunnan 1107 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 1 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 13 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum delavayi 14 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Thalictrum flavum 1 Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum flavum 2 Skanör Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum flavum 3 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Thalictrum flavum 8 Skanörs Ljung Sk 130622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 1 Kemeri, Latvia 060708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 2 Kemeri, Latvia 060708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 4 Kemeri, Latvia 060708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum lucidum 8 near Lake Alksnas SE of Dukstas, Lithuania 150804 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 1 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 2 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 3 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 4 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 5 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 6 Les Freaux near La Meije FR 150706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 7 Les Freaux near La Meije FR 150706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus 8 Les Freaux near La Meije FR 150706 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 1 Kyndby, Sjaelland DK 100622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 10 S of Rubjerg Knude, Rubjerg Klitplantage, Jylland DK 160613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 11 S of Rubjerg Knude, Rubjerg Klitplantage, Jylland DK 160613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 2 Kyndby, Sjaelland DK 100622 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 3 Lund Bot Garden 130610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 4 Lund Bot Garden 130610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 5 Lund Bot Garden 130610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 6 Lund Bot Garden 130610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp arenarium 7 Lund Bot Garden 130610 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 1 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 2 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp kemense 3 Kevontie, Kevo, Utsjoki, Inarin Lappi, Finland 220727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 1 W of Stigmyr, Hangvar, Gotland 070803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 10 near Merkine, Lithuania 150806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 11 near Merkine, Lithuania 150806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 12 near Merkine, Lithuania 150806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 2 W of Stigmyr, Hangvar, Gotland 070803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 4 W of Stigmyr, Hangvar, Gotland 070803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp minus 9 near Merkine, Lithuania 150806 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 6 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 7 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum minus ssp pseudominus 8 Nagykovácsi, Hungary 240504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 1 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 10 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 2 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 6 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 7 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum pubescens 8 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 1 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 2 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 3 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp boreale 4 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 1 Gessie, Skåne 930801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 11 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 12 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 13 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 14 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 17 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 18 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 19 Kungsmarken, Södra Sandby Sk 220708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 2 Gessie, Skåne 930801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 4 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 5 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 6 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 7 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 8 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum simplex ssp simplex 9 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Thalictrum tuberosum 1 near Linza, N Spain 180525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).