$a Amerykański botanik - taksonomia, biogeografia, ochrona środowiska.
670
$a Kp. Environment / Peter H. Raven, Linda R. Berg, George B. Johnson. - Fort Worth, 1993.
670
$a LCC
670
$a Sovremennaja botanika / P. Rejvn, R. Evert, S. Ajkchorn. - Moskva, 1990.
670
$a Systematics of Oenothera section Oenothera subsection Oenothera (Onagraceae) / Werner Dietrich, Warren L. Wagner, Peter H. Raven. - Ann Arbor, Mich., 1997. $b (Missouri Botanical Garden, St. Louis)
670
$a OPALE(F)'2001
670
$a LCA online
670
$a Harvard University Herbaria, 9.07.2012 $b (Raven, Peter Hamilton) $u http://www.huh.harvard.edu/
670
$a Kp. Biology of plants / Raven, Ray F. Evert, Susan E. Eichhorn. - 8th ed. - New York, cop. 2013.