Theo Downloads
Those who have MS Access may download Theo, at no charge, directly from this website. You must download all files listed as "required downloads" and at least one base plant checklist. These files should be placed into the same folder. Once the downloads are complete and the files unzipped, open the file titled "Theo.mdb." If you choose to download Theo, please send us a quick note to let us know how you heard about it, where you are from, and how you plan to use Theo. View the map to see the current distribution of Theo users.
Required downloads:
Main Database (6.1 MB) -- Large file that will need a 56K modem or higher.
Collection Database (37 KB)
Help File (69 KB)
Download one or more of the following base plant checklists:
USDA National Plant Checklists:
Mosses, liverhorts, and hornworts (145 KB)
Lichens (210 KB)
USDA Plant Checklists by region:
Alaska (180 KB)
California (595 KB)
Caribbean (PR, VI) (240 KB)
Florida (344 KB)
Hawaii (199 KB)
Mid-Atlantic (DE, MD, NJ, PA, VA, WV) (409 KB)
Midwest (KY, IL, IN, IO, MI, MN, MO, OH, WI) (311 KB)
New England (313 KB)
New York (336 KB)
North Central (ID, MT, NE, ND, SD, WY) (444 KB)
Northwest (OR, WA) (417 KB)
South Central (AR, KS, LA, OK, TX) (588 KB)
Southeast (AL, GA, MS, NC, SC, TN) (435 KB)
Southwest (AZ, CO, NM, NV, UT) (649 KB)
Alternative Plant Checklists provided:
