Additional
Information: Also known as Pinophyta, the conifers.
Evergreen trees or shrubs, the conifers are the largest of four divisions of the gymnosperms, a term which means 'naked seeds'. The term conifer comes from cone, a cluster of scale-like sporophylls which have p
Phylum Pinophyta: The Conifers Phylum Pinophyta: The Conifers: General description with photos of selected representatives of the included families and genera. (Coniferophyta) http://www.science.siu.edu/landplants/Coniferophyta/coniferophyta.html
Native Conifers of North America Native Conifers of North America: Key, descriptions of all genera and species, images, and range maps. (Coniferophyta) http://www.nearctica.com/trees/conifer/
Gymnosperms Gymnosperms: General introduction to the gymnosperms, the group of vascular plants whose seeds are not enclosed by a ripened ovary (fruit). (Coniferophyta) http://www.geocities.com/Heartland/Plains/6761/ecycads.htm
Gymnosperm Database Gymnosperm Database: Basic information (sometimes only a name) for all species and higher-ranked taxa of the gymnosperms, including conifers, cycads, and their allies. Includes many images. (Coniferophyta) http://www.conifers.org/
Conifer Central Conifer Central: Resources, evaluation, books, nursery sources, description, and identification. Includes original keys to major coniferous genera. (Coniferophyta) http://members.tripod.com/~Hatch_L/concent.html
Arboretum de Villardebelle Arboretum de Villardebelle: Includes photographs and information on conifers from around the world, gymnosperm taxonomy, and scientific articles. (Coniferophyta) http://www.pinetum.org/