As nouns the difference between mosses and gymnosperm
is that mosses is while gymnosperm is (botany) any plant such as a conifer whose seeds are not enclosed in an ovary.
mosses
English
Noun
(head)
Usage notes
The plural form mosses' is used when more than one kind of moss is meant. The plural is ' moss when referring to a collection of moss plants of the same kind.
gymnosperm
English
Hyponyms
* (plant with seed not in ovary) conifers, cycads, Ginkgo , Gnetales
Derived terms
* gymnospermous
Related terms
* Gymnospermae
* gymnospore