Iris missouriensis (Iridaceae) Wild iris (Photo by Tom Ranker) Specimen Database of Colorado Vascular Plants Fully searchable database of complete label information for specimens of Colorado vasculars housed at Herbarium COLO. Colorado Vascular Plants by County Species lists by county, or county lists by species name. Includes selected synonyms. Catalog of the Colorado Flora - electronic version This is the most recent version of the Colorado Catalog. The addenda are incorporated throughout. You can download the Adobe Acrobat file(s) and directly search on accepted name or synonym. Catalog of the Colorado Flora - Addenda Choose this option to print out the most recent addenda to the Colorado Catalog. This provides a supplement to the 1992 publication, Catalog of the Colorado Flora, and will be most useful for those who own the book. Colorado Vascular Plant State List This is a downloadable table of plant species, selected synonyms, and families for the entire state. Colorado Type Specimens Follow this link to download and/or print a report of all of COLO's Type Specimens. We have a general list of species we hold as well as a printout containing entire label information.