underwater green kelps. botanical horizontal frame with sea plants, grass, stones. algae, seaweed. aquarium herbs

weed plant chlorella ulva kelp grass frame biotech lipid water seaweed wakame biofuel laminaria underwater undersea seabed vallisneria watercolor alga nautical eelgrass nori seafood lake realistic ocean research illustration sea macrocystis science algae horizontal empty freshwater pond deep leaf biotechnology river marine pyrifera seaside latissima painting design