This is a list of all the National Forests and National Grasslands[?] in the United States. If looking at national forests on a map, be aware that, in general, those west of the Great Plains show the true extent of their area, while those east of the Great Plains generally only show purchase districts, within which usually only a minority of the land has been made national forest.
Everything is listed twice; first by state, then alphabetically.
By state (note that forests in multiple states appear under each state):
... in the 1930s by C. B. van Neil of Stanford University, while investigating photosynthetic bacteria, many of which do not release oxygen. One significant group of such ...