12172047 - Filamentous algae (Spirogyra) are green algae12132793 - Boy fishes algae from miniature pond12153045 - Wothe: Cladophora (filamentous algae)12116363 - Theo fishing algae from water tub12218111 - Grow Amaryllis (Hippeastrum) on a glass of water. A piece of charcoal in the water prevents algae formation.12127043 - Pond with Menyanthes trifoliata (fever clover), Nymphaea (water lily) and full of algae, on the bank Gunnera tinctoria (redwood leaf), Hosta (funcias), Astilbe (daisy), grasses and ferns12127019 - Pond with Menyanthes trifoliata (fever clover), Nymphaea (water lily) and full of algae, on the bank Gunnera tinctoria (redwood leaf), Hosta (funcias), grasses and ferns12127723 - Azolla caroliniana (Fairy moss, algae fern)12152242 - Mini pond with slatted paneling12151260 - Fucus vesiculosus (bladderwrack) on stone12126979 - Natural pond with Nymphaea (water lilies), Menyanthes trifoliata (fever clover), Pontederia cordata (pikeweed), Oenanthe (water fennel), on the bank grasses, Hosta (funcias), Alchemilla mollis (lady's mantle) and ferns.12127023 - Natural pond with Menyanthes trifoliata (fever clover), Pontederia cordata (pikeweed), Oenanthe (water fennel), on the bank Hosta (hosta), Alchemilla mollis (lady's mantle)
