PC Products




Note: Since April, 2017, all prices listed on this page are half what they have sold for in the past.  This is to keep prices as low as possible, and in response to the success we have had with the sales of Android apps.

Single state or province keys:

PC Keys for Windows 98 or newer versions,  are available for each individual state and province named in the map.  Each include all the native and naturalized vascular plants known in the state or province.  The list below gives the total number of species included for each; text information regarding varieties and subspecies is included for a majority of the species.  Note: all PC versions have been updated as of May, 2020, and the Pacific Northwest version was considerably revised as of June 23, 2020.

Please note: The numbers of species in each version have recently been updated and in all cases have increased; the numbers on this list will be updated here in the coming weeks.  The PC keys themselves have all been recently updated.

Alberta,  1847 species

Arizona,  4119 species

British Columbia, 2766 species

California, 6453 species

Colorado, 3091 species

Idaho, 2778 species

Iowa, 1927 species

Kansas, 2048 species

Manitoba, 1707 species

Minnesota, 2090 species

Montana, 2673 species

Nebraska, 1902 species

Nevada, 3202 species

New Mexico, 3745 species

North Dakota, 1373 species

Oregon, 3894 species

Saskatchewan,  1605 species

South Dakota, 1643 species

Utah, 3311 species

Washington,  3058 species

Wisconsin, 2384 species

Wyoming, 2531 species

Price for single state/province key:  $50.00          *10-site license: $165.00

NOTE: these are new prices, effective April 6, 2017.

There is a $10.00 charge for shipping/handling for each order.

Regional keys:

Pacific Northwest: Includes Southern British Columbia, Washington, Northern Oregon, Northern and Central Idaho, and the western edge of Montana.  5179 species.  Note that this is a newly revised version of the Pacific Northwest keys, now in most cases following the species, nomenclature, and geographic range of the 2018 2nd Ed. of the Flora of the Pacific Northwest.  It provides a useful companion to that publication.

Price: $100.00          *10-site license: $330.00

Southwest Canada: Includes British Columbia through Manitoba.  3474 species

Price: $100.00          *10-site license: $330.00

Pacific Region: Includes British Columbia, Washington, Oregon, and California.  8098 species

Price: $125.00          *10-site license: $412.00

Great Basin: Includes SE Oregon, S Idaho, E California, Nevada, and Utah.  5045 species

Price: $100.00          *10-site license: $330.00

Four Corners Region: SE Utah, SW Colorado, NE Arizona, and NW New Mexico.  2069 species

Price: $50.00           *10-site license $165.00

Rocky Mountain Region: Alberta, Montana, Wyoming, Colorado, and New Mexico.  5294 species

Price: $100.00          *10-site license: $330.00

Great Plains: Saskatchewan, Manitoba, E Montana through E Colorado, North Dakota through Kansas, and Minnesota and Iowa.  4882 species

Price: $125.00          *10-site license: $412.00

Southwest United States: Includes Southern California, Arizona, and New Mexico.  6831 species

Price $100.00          *10-site license $330.00

* A 10-site license provides 1 copy of the software, with a license to load the software on up to 10 computers or 10 network stations, or combination of computers and network stations not to exceed a total of 10.

Keys to the Plant Families of the World:

Interactive keys to the world’s plant families are available as of August 19, 2009.  They are based on the Angiosperm Phylogeny Group (APG) classification, and are also included with the 4th Edition of Contemporary Plant Systematics, by Dennis W. Woodland, published in 2009.  The family keys may also be purchased separately from us directly.

Price: $20.00              *10-site license: $66.00