The fruit bodies can be used to create yellow dyes to color wool or other fibers.

However, it produces excellent yellow, buff and golden-orange dyes, used in the past for fabrics.

It is often combined with other yellow dyes and used to stain erythrocytes in the trichrome methods.

The root and flowers have been used to extract yellow dyes.

Native Americans also used the wood of the stem to produce yellow dyes.

Usnea species have been used to create orange, yellow, green, blue and purple dyes for textiles.

The plant is also used to make red madder-like and yellow dyes.

Small branches with leaves are crushed to make one of the yellow dyes.

Both woad and indigo have been used since ancient times in combination with yellow dyes to produce shades of green.

Less commonly, people with nasal polyps also have a severe allergy to aspirin and reaction to yellow dyes.