Gallery

Spiranthes sp. inflorescence; photo: S.L. Winterton

Spirodela polyrrhiza, floating; photo: S.L. Winterton

Spirodela polyrrhiza, floating; photo: S.L. Winterton

Spirodela polyrrhiza leaves; photo: S.L. Winterton

Spirodela polyrrhiza, floating; photo: S.L. Winterton

Spirodela polyrrhiza; drawing © University of Florida/IFAS Center for Aquatic and Invasive Plants, used with permission

Spirodela polyrrhiza (lower right); plate: C.A.M. Lindman "Bilder ur Nordens Flora" (1901-1905) © 1999 Gerhard Keuck

Staurogyne leptocaulis, submersed; photo: S.L. Winterton

Staurogyne leptocaulis flower; photo: S.L. Winterton

Staurogyne repens, emersed; photo: S.L. Winterton

Staurogyne repens, submersed; photo: S.L. Winterton

Staurogyne repens flower; photo: S.L. Winterton

Staurogyne sp. 'Bihar', emersed; photo: S.L. Winterton

Staurogyne sp. 'Bihar', submersed; photo: S.L. Winterton

Staurogyne sp. 'Bihar' flower; photo: S.L. Winterton

Staurogyne sp., emersed; photo: S.L. Winterton

Staurogyne sp., submersed; photo: S.L. Winterton

Staurogyne sp. low growing, emersed; photo: S.L. Winterton

Staurogyne sp., submersed; photo: S.L. Winterton

Staurogyne sp., inflorescence; photo: S.L. Winterton

Staurogyne sp. 'Porto Velho' flower; photo: S.L. Winterton

Staurogyne sp. 'Porto Velho' inflorescence; photo: S.L. Winterton

Staurogyne sp., flower; photo: S.L. Winterton

Staurogyne sp., flower; photo: S.L. Winterton

Stratiotes aloides, emersed; photos © M. Storey

Stratiotes aloides, emersed; photos © M. Storey

Stratiotes aloides, emersed; photos © Jerzy Opiola

Stratiotes aloides, submersed; photos © M. Storey

Stratiotes aloides flower; photos © Christian Fischer

Stratiotes aloides; plate: C.A.M. Lindman "Bilder ur Nordens Flora" (1901-1905) © 1999 Gerhard Keuck

Stratiotes aloides; drawing © University of Florida/IFAS Center for Aquatic and Invasive Plants, used with permission

Syngonanthus flavidulus, emersed; photo: S.L. Winterton