The Blackland and associated
prairies and woodlands in Texas contain four out of the ten most threatened
or endangered plant community series in the United States, as recognized
by the Natural Heritage Commission.
"Our ideals, laws and customs should be based on the proposition that each generation, in turn, becomes the custodian rather than the absolute owner of our resources and each generation has the obligation to pass this inheritance on to the future." - Charles A. Linbergh
