Which group of plants lacks true roots, stems, and leaves?

Bryophytes (LIverworts, hornworts, and mosses) lack true roots, stems, and leaves.

Explanation:

The bryophyte is slightly differentiated, but they do not have true roots, stems, and leaves. The rhizoids are something similar to roots bryophytes have in their plant bodies.

The main plant body of the bryophytes is more like a thallus. Bryophytes are spore-producing plants that do not have vascular tissue.

Hence, bryophytes are the plants lack true roots, stem, and leaves.

explanation: grsaa