Subspecies: Åkerkrokhals (Anchusa arvensis subsp. arvensis)
Other names: vanleg krokhals, vanlig krokhals
Norwegian name: Åkerkrokhals
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||||
| Artificial group | Vascular plant (Tracheophytes) | ||||||||
| Superphylum | Frøplanter (Spermatophyte) | ||||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | ||||||||
| Subclass | Tofrøblader (Magnoliidae) | ||||||||
| Family | Rubladfamilien (Boraginaceae) | ||||||||
| Genus | Oksetungeslekta (Anchusa) | ||||||||
| Species | Krokhals (Anchusa arvensis) | ||||||||
| Subspecies | Åkerkrokhals (Anchusa arvensis subsp. arvensis) | ||||||||
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