Aciotis acuminifolia, emersed; photo: S.L. Winterton
Aciotis acuminifolia, submersed; photo: © Adam Shappard
Aciotis acuminifolia leaves, emersed; photo: S.L. Winterton
Aciotis acuminifolia flower; photo: S.L. Winterton
Acmella oleracea; photo: S.L. Winterton
Acmella oleracea leaves and flower heads; photo: S.L. Winterton
Acmella oleracea flower heads; photo: S.L. Winterton
Acmella oppositifolia; photo: S.L. Winterton
Acmella repens leaves; photo: S.L. Winterton
Acmella repens flower head; photo: S.L. Winterton
Acmella repens flower head closeup; photo: S.L. Winterton
Acorus calamus in outdoor pond, emersed; photo © FishesNpets
Acorus gramineus, emersed and spadix (lower left); photos: S.L. Winterton
Acorus gramineus 'Variegatus'; drawing © Tropica
Acorus gramineus var. pusillus; drawing © Tropica
Acorus sp., emersed; photo: S.L. Winterton
Acorus sp.; photo: S.L. Winterton
Acorus gramineus var. gramineus; drawing © Tropica
Acorus sp., spadix; photo: S.L. Winterton
Acrostichum aureum, emersed; photo: S.L. Winterton
Acrostichum aureum; photo: S.L. Winterton
Acrostichum aureum leaf; photo: S.L. Winterton
Acrostichum speciosum; photo: S.L. Winterton
Acrostichum speciosum leaves; photo: S.L. Winterton
Acrostichum speciosum leaf; photo: S.L. Winterton
Actinoscirpus grossus, emersed; photo © Wibowo Djatmiko, wikimedia.org