AUTHOR
Clark, David Leigh 1931-
1
Cronquist, Arthur
1
Ethington, Raymond Lindsay 1929-
1
Field, Donald R.
1
Fowler, Don D. 1936-
1
Harrill, James R.
1
Krannich, Richard S.
1
Luloff, A. E.
1
Matley, John F.
1
National Museum of Natural History
1
New York Botanical Garden
1
Prudic, David E.
1
SpringerLink (Online service)
1