The phrase "green plant" is correct and usable in written English.
You might use it to describe a houseplant in a room: "The living room had a few small green plants on the shelf to brighten up the room".
The green plant, however, requires more nutrients than these.
Bennett, J. Protein phosphorylation in green plant chloroplasts.
Oh, and don't forget to keep watering that luscious green plant on your windowsill.
"Isn't this pretty?" she asked, showing the little green plant to Mr. Stanley.
He also wrote a book, "The Life of the Green Plant" (1961).
They were making huazontle, a green plant stuffed with cheese and fried, then smothered in mole.
Green plant phylogeny based on shared gene clusters from 17 sequenced plant genomes.
■ 31A: "Green plant?" today is green as in MONEY, not as in chlorophyll.
Swarms of locusts periodically descend as a plague, devouring every green plant in their path.
Belgio, E., Ungerer, P. & Ruban, A. V. Light harvesting superstructures of green plant chloroplasts lacking photosystems.
Goodstein, D. M. et al. Phytozome: a comparative platform for green plant genomics.
