![](/img/cover-not-exists.png)
A Taxonomic Revision of Rudbeckia subg. Macrocline (Asteraceae: Heliantheae: Rudbeckiinae)
Patricia B. Cox and Lowell E. UrbatschVolume:
59
Language:
english
Journal:
Castanea
DOI:
10.2307/4033783
Date:
December, 1994
File:
PDF, 573 KB
english, 1994