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.
"Climb the mountains and get their good tidings. Nature's peace will flow into you as sunshine flows into trees. The winds will blow their freshness into you, and the storms their energy, while cares will drop off like falling leaves." - John Muir
