| Answer | Crossword Clue |
|---|---|
| bloodworts | BLOODWORT, a plant with a red dye in the roots |
| bloodwort | a plant with a red dye in the roots |
| goldthread | a N. American woodland ranunculaceous plant, with slender yellow roots that yield a medicinal tonic and a dye |
| goldthreads | GOLDTHREAD, a N. American woodland ranunculaceous plant, with slender yellow roots that yield a medicinal tonic and a dye |
| safflowers | An orange-flowered, thistlelike Eurasian plant with seeds that yield an edible oil and petals that were formerly used to produce a red or yellow dye |
| mycorrhiza | A fungus that grows in association with the roots of a plant in a symbiotic or mildly pathogenic relationship |
| mycorrhizae | A fungus that grows in association with the roots of a plant in a symbiotic or mildly pathogenic relationship |
