There are 3 groups of vascular plants:
1. Pteridophytes
2. Gymnosperms
3. Angiosperms
Characteristics of Pteridophytes: Pteridophytes are the only cryptogams with vascular tissue. Characteristics of Gymnosperms: Gymnosperms are the plants which possess naked seeds and also known as phanerogams without ovary.
Characteristics of Angiosperms: Angiosperms are the flowering plants in which the seeds remain enclosed within the fruits. Double fertilization is the unique feature of angiosperms. [Any one feature]
