Leea tinctoria, a plant species endemic to São Tomé and Príncipe
Isatis tinctoria | Roccella tinctoria | Indigofera tinctoria | Genista tinctoria | Alkanna tinctoria | Weinmannia tinctoria | Morinda tinctoria | Maclura tinctoria | Leea tinctoria | Gunnera tinctoria | Ficus tinctoria | Chrozophora tinctoria | Baptisia tinctoria |
Alkanna tinctoria, the alkanet or dyers' bugloss, a plant species
Gunnera tinctoria, the Chilean rhubarb, a plant species native to southern Chile and neighbour zones in Argentina
Maclura tinctoria, the old fustic, a medium to large tree species found from Mexico to Argentina
Weinmannia tinctoria, a plant species found in Mauritius and Réunion