hand drawn watercolor aquarium plants, algae and seaweed, bogwood. marine exotic underwater botanical

watercolor artwork marine underwater aquatic sealife aquarium aquascape exotic nautical tropical seabed water nymphaea waterlily fern seaweed algae leaf grass plant bog wood pond picture invitation painting postcard sticker print poster card isolated illustration set element object flora gardening white green pink brown nature arrowhead sagittaria katniss cryptocoryne