detailed view of a hyacinth field, wild-type hyacinthus orientalis, an aquatic plant recognized as a river pest

amplexicaulis angiosperms aquatic asparagaceae asparagales biodiversity botanical botanicals botany bulbous crassipes crisp eichhornia environment fen floating flower genus gob hyacinth hyacinthella hyacinths hyacinthus hymenachne leaves litwinovii marsh meskeg monocots moor morass nature nymphaea nymphaeaceae orientalis park perennials plant plants qaugmire quag river scilloideae sough springblooming swamp tetragona tracheophytes transcaspicus vegetation water waterlily