Eric Walker added Isatis tinctoria - Wikipedia to Woad
Eric Walker added Collections: Clothing, How Did They Make It? Part IVa: Dyed in the Wool – A Collection of Unmitigated Pedantry to a number of topics
Eric Walker added Isatis tinctoria - Wikipedia and Collections: Clothing, How Did They Make It? Part IVa: Dyed in the Wool – A Collection of Unmitigated Pedantry to Woad, and added Woad to Isatis
Eric Walker added Woad to Isatis, and added Isatis to Brassicaceae