Usually uncovered single-celled reproductive bodies which are produced by many plants, and some protozoans (very tiny one-celled organisms) that develop into new species which are without protective coverings: The group of Phylum Coniferophyta, or conifers, reproduce by means of gymnospores along the coast of California, U.S.A., and include junipers, firs, spruces, bristlecone pines, and the Sequoias.