BBSRC Brassica Genome Project
Science, Biology, Flora and Fauna, Plantae - BBSRC Brassica Genome Project. A project to map and work with parts of the Brassica genome.
http://brassica.bbsrc.ac.uk/
Carnivorous Plants and their habitats
Science, Biology, Flora and Fauna, Plantae - Carnivorous Plants and Their Habitats. List of the 86 species of Nepenths, with photos of many wild plants.
http://www.joachim-nerz.de/
Malvaceae Info
Science, Biology, Flora and Fauna, Plantae - Malvaceae Info. Information and images on many species of ornamental malvaceous plants, including flowers, foliage, and fruit.
http://www.malvaceae.info/
Saving the American Elm
Science, Biology, Flora and Fauna, Plantae - Saving the American Elm. Information about efforts to restore Ulmus americana to the landscape by developing and planting new disease resistant varieties.
http://www.elmpost.org/
Mammillarias.net
Science, Biology, Flora and Fauna, Plantae - Mammillarias.net. Forum, comprehensive photo gallery, and collection database.
https://www.mammillarias.net/
Echinocereus Online
Science, Biology, Flora and Fauna, Plantae - Echinocereus Online. An electronic magazine about the genus, in German and English.
https://www.echinocereus.de/
The Genus Astrophytum
Science, Biology, Flora and Fauna, Plantae - The Genus Astrophytum. Monograph of the cactus genus Astrophytum.
http://www.astrobase.de
American Paulownia Association
Science, Biology, Flora and Fauna, Plantae - American Paulownia Association. Promotes the advancement of Paulownia as a forest crop in the United States.
https://paulowniatrees.org/