Helanthium bolivianum flower; photo: S.L. Winterton
Helanthium tenellum, emersed; photo: S.L. Winterton
Helanthium tenellum, submersed; photo: S.L. Winterton
Helanthium tenellum inflorescence; photo: S.L. Winterton
Helanthium tenellum flower; photo: S.L. Winterton
Hellenia speciosa; photo: S.L. Winterton
Hellenia speciosa flower; photo: S.L. Winterton
Hellenia speciosa spike and one flower; photo: S.L. Winterton
Hemianthus callitrichoides, submersed and emersed; photo: S.L. Winterton
Hemianthus callitrichoides flower; photo: S.L. Winterton
Hemianthus glomeratus, emersed; photos: S.L. Winterton
Hemianthus glomeratus, submersed; photo: S.L. Winterton
Hemianthus glomeratus flowers; photo: S.L. Winterton
Hemianthus glomeratus flower; photo: S.L. Winterton
Hemigraphis alternata; photo: S.L. Winterton
Hemigraphis alternata flowers; photo: S.L. Winterton
Hemigraphis colorata; photo: S.L. Winterton
Hemigraphis colorata flower; photo: S.L. Winterton
Hemigraphis colorata 'Exotica'; photo: S.L. Winterton
Hemigraphis colorata 'Exotica' flower; photo: S.L. Winterton
Hemigraphis repanda; photo: S.L. Winterton
Hemigraphis repanda flower; photo: S.L. Winterton
Heracleum maximum; photo: S.L. Winterton
Heracleum maximum inflorescence; photo: S.L. Winterton
Heracleum maximum flowers; photo: S.L. Winterton
Heteranthera dubia, emersed; photo: S.L. Winterton
