Subspecies: Grønnkrokfrø (Xanthium strumarium subsp. strumarium)
Other names: grønkrokfrø
Norwegian name: Grønnkrokfrø
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||||
| Artificial group | Vascular plant (Tracheophytes) | ||||||||
| Superphylum | Frøplanter (Spermatophyte) | ||||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | ||||||||
| Subclass | Tofrøblader (Magnoliidae) | ||||||||
| Family | Kurvplantefamilien (Asteraceae) | ||||||||
| Genus | Krokfrøslekta (Xanthium) | ||||||||
| Species | Krokfrø (Xanthium strumarium) | ||||||||
| Subspecies | Grønnkrokfrø (Xanthium strumarium subsp. strumarium) | ||||||||
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