RM2BXETWW–Bidens alba var radiata Sch Bip RE Ballard Bidens alba var radiata Sch Bip RE Ballard.
RFE1X514–bidens alba flowers
RMJ7TB2T–Bidens radiata, riviertandzaad
RMP5NYFA–N/A. English: Bidens radiata Nederlands: Riviertandzaad . Flora Danica Georg Christian Oeder e.a. (1761-1888) 199 Bidens radiata, riviertandzaad
RM2BTWENK–Bidens alba var radiata Sch Bip RE Ballard.
RM2AWGHYN–The mutation theory; experiments and observations on the origin of species in the vegetable kingdom . Fig. 8. Scnecio Jacohaea L. (f. radiata). commoner than that with rays, and then the Discoidea form may be found described in systematic works as a species and the Radiata as the variety; as for instance in Bidens tripartita (Fig. 7), and B. cernua,^ although B. ^ Teratologic vegetate, p. 179. ^ Koch, Synopsis Florae Geniiauieae, p. 309. 80 Suddoi Appcarcijicc and Constancy. grandiflora. B. bipinnata, and B. atropurpurea are well-known species with ray florets. B. tripartita and B.ccrnua arc v
RF2M8B93P–Greater Bur-marigold, Bidens radiata, also called Greater Bur Marigold, wild plant from Finland