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Showing 1 to 2 of 2 for “"Rhamnus Frangula"”.
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Dyes and Dyeing Methods in Late Iron Age Finland
… from tree barks such as alder buckthorn (Rhamnus frangula) and roots of common tormentil (Potentilla erecta). Red anthraquinones were obtained from local bedstraws (Galium boreale, Galium album and Galium verum). Mordants for dyes were prepared by fermenting clubmosses (Lycopodium species) …