DENDROLOGY

Detailed explanation-1: -These are the nonvascular plants or bryophytes (mosses, liverworts, and hornworts), the seedless vascular plants (clubmosses and ferns including, horsetails, club mosses, and whisk ferns), gymnosperms (conifers, cycads, Ginkgo, and gnetophytes), and angiosperms, or flowering plants.

Detailed explanation-2: -Examples of nonvascular seedless plants include mosses, liverworts and . Nonvascular plants lack seeds and vascular tissue. Nonvascular plants include the mosses, the hornworts, and the liverworts.