Criteria for classification of plants:
If plants do not bear flowers, fruits and seeds, they are non-seed bearing plants. If they bear flowers, fruit and seeds, they are seed-bearing plants.
Presence or absence of conducting tissues Plants such as pteridophytes, gymnosperms and angiosperms which possess conducting tissues are included in vascular plants whereas thallophytes and bryophytes which do not possess conducting tissues are included under non-vascular plants.
Depending upon whether the seeds are enclosed in fruit or not, plants are classified as gymnosperms (*****-seeds) and angiosperms (seeds covered by fruit)
Depending upon the number of cotyledons in seeds, plants are classified into dicotyledons and monocotyledons
