Anthraquinone dyes, RUBIA, RUBIA CORDIFOLIA (INDIAN MADDER) 0 0 1,3-Dihydroxyanthraquinone aka purpuroxanthin or... by All This 2 years ago
Dyes, EASTER, Mummies, RUBIA, RUBIA CORDIFOLIA (INDIAN MADDER), RUBIA PEREGRINA (WILD MADDER), RUBIA TINCTORUM (COMMON MADDER), Seeing Red 0 0 Rubia by All This 2 years ago
by 