THREE NEW SPECIES OF CRATAEGUS (ROSACEAE) FROM WESTERN NORTH AMERICA: C. OKENNONII, C. OKANAGANENSIS AND C. PHIPPSII

J B Phipps
R J O'kennon

Published in Sida, Contributions To Botany, in 1998, in volume 18, issue 1, pages 169-191

Date published:1998

BHL: 9304768
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