Typha angustifolia 1 Ekebysjön, Mörby, Uppland 030718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 12 female flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 13 female flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 14 female flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 15 female flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 16 female flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 17 side branches of female spadix Lund Sk 210717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 18 side branches of female spadix Lund Sk 210717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 19 side branches of female spadix Lund Sk 210717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 20 side branches of female spadix Lund Sk 210717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 21 side branches of female spadix Lund Sk 210717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 22 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 23 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 24 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 25 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 26 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 27 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 28 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 29 male flowers Skanör Sk 210714 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 10 side branches of female spadix Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 11 side branches of female spadix Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 12 side branches of female spadix Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 13 side branches of female spadix Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 14 male flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 15 male flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 16 male flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 4 female flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 5 female flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 6 female flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 7 female flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 8 female flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 9 female flowers Lund Sk 210716 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha 1a (cult), Zoological Garden, Phoenix, Arizona 130427 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha 1b (cult), Zoological Garden, Phoenix, Arizona 130427 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha 1c (cult), Zoological Garden, Phoenix, Arizona 130427 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha 1d (cult), Zoological Garden, Phoenix, Arizona 130427 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 10 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 11 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 2 Skanör Sk 130809 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 3 Skanör Sk 130809 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 4 Skanör Sk 130809 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Typha angustifolia 6 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 7 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 8 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha angustifolia 9 Copenhagen Bot Garden 140625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha domingensis N of Arkasa, Greece 040518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 1 Slottsskogen, Göteborg 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 2 Slottsskogen, Göteborg 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha latifolia 3 Skanörs Ljung, Skåne 030707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 1 Dakstas (Ryzas), Lithuania 100713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 10 Vellinge Sk 220903 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 11 Vellinge Sk 220903 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 12 Vellinge Sk 220903 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 2 Dakstas (Ryzas), Lithuania 100713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 3 Dakstas (Ryzas), Lithuania 100713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 4 Vellinge Sk 220824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 5 Vellinge Sk 220824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 6 Vellinge Sk 220824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 7 Vellinge Sk 220824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 8 Vellinge Sk 220824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Typha laxmannii 9 Vellinge Sk 220824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).