权威例句
Rudbeckia
Rudbeckia grandiflora
THE SOMATIC CHROMOSOMES OF RUDBECKIA AND RELATED GENERA OF THE COMPOSITAE
RIBOSOMAL-DNA VARIATION AND DISTRIBUTION IN RUDBECKIA MISSOURIENSIS
A Taxonomic Revision of Rudbeckia subg. Macrocline (Asteraceae: Heliantheae: Rudbeckiinae)
Antimycobacterial Eudesmanolides from Inula helenium and Rudbeckia subtomentosa
Genotypic interaction in an aphid-host relationship: Uroleucon rudbeckiae and Rudbeckia laciniata. Oecologia
Genotypic Interactions in an Aphid-Host Plant Relationship: Uroleucon rudbeckiae and Rudbeckia laciniata
Pollination Biology, Seed Dispersal, and Recruitment in Rudbeckia auriculata (Perdue) Kral, a Rare Southeastern Endemic
Direct and indirect effects of herbivory: Feeding by spittlebugs affects pollinator visitation rates and seedset of Rudbeckia hirta
