Arizona Flora

Project Managers: Arizona State University Vascular Plant Herbarium
Arizona is the third or fourth most floristically rich state in the US with perhaps as many as 3900 species of vascular plants. Over the last 60 years an average of ca. 12 new species records have been reported annually.
Research Checklists
The Golden Key Symbol symbol opens the species list as an interactive key.
The National Science Foundation
This project made possible by National Science Foundation Award 1410069