| Subject | English | Danish |
| nat.sc., agric. | bastard alkanet | agerstenfrø (Lithospermum arvense) |
| nat.sc., agric. | bastard alkanet | rynket stenfrø (Lithospermum arvense) |
| nat.sc., agric. | dyer's alkanet | farveurt (Alkanna tinctoria) |
| nat.sc., agric. | dyer's alkanet | alkanna (Alkanna tinctoria) |
| nat.sc., agric. | dyer's alkanet | alkanet (Alkanna tinctoria) |
| bot. | green alkanet | femtunge (Pentaglottis sempervirens (L.) Tausch ex L. H. Bailey; Anchusa sempervirens L.) |