https://www.rhs.org.uk/plants/159286/huernia-pillansii/details
Huernia pillansii | cocklebur Cactus Succulent/RHS
huernia pillansiicockleburcactussucculentrhs
https://www.ontario.ca/document/weed-identification-guide-ontario-crops/cocklebur
Cocklebur | Weed identification guide for Ontario crops | ontario.ca
Apr 2, 2026 - Use this guide to help you identify common weeds and learn how to minimize their impact on your crops.
weed identification guidefor ontariocockleburcrops
https://www.abebooks.com/Pollen-Tube-Growth-Control-Gametophytic-Selection/30671331091/bd
Pollen Tube Growth and Control of Gametophytic Selection in Cocklebur, a 25-Chromosome Datura by...
Pamphlet - The Botanical Gazette, Vol. XC, No. 4, December 1930, pp. 366-383 - 1930 - Condition: Very Good - Prompt Shipment, shipped in Boxes, Tracking...