权威例句
RudbeckiaRudbeckia grandifloraTHE SOMATIC CHROMOSOMES OF RUDBECKIA AND RELATED GENERA OF THE COMPOSITAERIBOSOMAL-DNA VARIATION AND DISTRIBUTION IN RUDBECKIA MISSOURIENSISA Taxonomic Revision of Rudbeckia subg. Macrocline (Asteraceae: Heliantheae: Rudbeckiinae)Antimycobacterial Eudesmanolides from Inula helenium and Rudbeckia subtomentosaGenotypic interaction in an aphid-host relationship: Uroleucon rudbeckiae and Rudbeckia laciniata. OecologiaGenotypic Interactions in an Aphid-Host Plant Relationship: Uroleucon rudbeckiae and Rudbeckia laciniataPollination Biology, Seed Dispersal, and Recruitment in Rudbeckia auriculata (Perdue) Kral, a Rare Southeastern EndemicDirect and indirect effects of herbivory: Feeding by spittlebugs affects pollinator visitation rates and seedset of Rudbeckia hirta