The morphological continuity of scrophulariaceae and orobanchaceae
Boeshore, Irwin
The morphological continuity of scrophulariaceae and orobanchaceae - Philadelphia : University of Pennsylvania, 1920. - car. ; 17 x 24 cm.
A thesis pres. to the fac. of the grad. sch. in part. fulf. of the req. for degr. of. Dr. of philosophy University of Pennsylvania
The morphological continuity of scrophulariaceae and orobanchaceae - Philadelphia : University of Pennsylvania, 1920. - car. ; 17 x 24 cm.
A thesis pres. to the fac. of the grad. sch. in part. fulf. of the req. for degr. of. Dr. of philosophy University of Pennsylvania