Scrophulariaceae of the local flora /
Contributions from the New York Botanical Garden, no. 212.
Pennell, Francis W. (Francis Whittier), 1886-1952
New York Botanical Garden.
New York :New York Botanical Garden,1919.
Title from cover.
"Reprinted ... from Torreya 19: 107-119, August 7; 143-152, September 17; 161-171, October 28; 205-216, December 10, 1919; 235-242, January 22, 1920."
New York Botanical Garden
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