Halophila ovalis (Paddle Weed)...Paddle Weed) ... Illustration of the morphology of Halophila ovalis (paddle weed). ... illustration, morphology, label, seagrass, SAV, Plantae, vascular, Magnoliophyta, angiosperm, flowering plant, Liliopsida, monocot, Alismatidae, Hydrocharitales,...