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Litmus
Litmus
Material use · 8 plants
8 plants
Alcea rosea
Hollyhock
Alkanna tinctoria
Alkanet
Iris versicolor
Blue Flag
Malva sylvestris
Mallow
Primula parryi
Sambucus nigra
Elderberry
Viola odorata
Sweet Violet
Viola tricolor
Heartsease