To be published in 30 volumes, Flora of North America represents the first and only comprehensive taxonomic guide to the extraordinary diversity of plant life b

Flora of North America Volume 27 will be the first volume of three on the bryphytes (mosses, hornworts, and liverworts). Thirty-five authors treat the first hal

Invasive alien species (IAS) are a menace to agricultural crops and ornamental plants worldwide due to climate change and global warming. They vector serious hu