Web Directory by Internet-Web-Directory.com

provides access to information about all 8375 currently recognized plants in California, including more than 670,000 plant observations and 20,000 photographs.

Searchable directory of links related to plants, horticultural companies, botany/horticulture forums, software, and trees of Spain.

Plant names, photos, fact sheets, and information on culturally significant plants, noxious and invasive plants, and threatened and endangered plants, with links to thousands of plant-related sites and software tools.