All native and naturalized vascular plant species known in each state or region – everything that grows wild, including weeds, grasses or grass-like plants, conifers, flowering plants, and spore-bearing plants.
Color photos for over 99% of species
Terms defined and illustrated
Well over 50 menus of plant characteristics
Select any plant characteristic in any order
Program Help and User’s Guide with Tutorial
Available for 18 western and central states and 4 Canadian southwest provinces
Listings for each species from over 130 printed or online regional references, with page numbers
Clickable graphical interface for marking characteristics
