Seaweed vs. Seagrass
Seaweednoun
Any of numerous marine plants and algae, such as a kelp.
Seaweednoun
Popularly, any plant or plants growing in the sea.
Seaweednoun
Any marine plant of the class Algæ, as kelp, dulse, Fucus, Ulva, etc.
Seaweednoun
plant growing in the sea, especially marine algae
Seaweednoun
large algae growing in the sea or on rocks below the high-water mark
Seaweed
Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae. The term includes some types of Rhodophyta (red), Phaeophyta (brown) and Chlorophyta (green) macroalgae.
Seagrassnoun
Any of various grass-like marine plants that grow underwater in salt water.
Seagrassnoun
any of various seaweeds that grow underwater in shallow beds;
Seagrass
Seagrasses are the only flowering plants which grow in marine environments. There are about 60 species of fully marine seagrasses which belong to four families (Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae), all in the order Alismatales (in the class of monocotyledons).
Seaweed Illustrations
Seagrass Illustrations
