Reports of the maximum size are not clear, as this species is often confused with B. asper.

In southern Europe similar species are sometimes cultivated for the same purpose, and may be confused with the common sage.

The species of Gowardia could be confused with several other hair lichens.

As the only passerine on the island, there is no chance that this species may be confused with any other.

These common characteristics mean the two species are often confused with one another.

The species is often confused with a similar species, A. inaequidens.

It is believed that the two species are often confused.

This species is often confused with the copperhead, A. contortrix.

This species is easily confused with the red rock crab, Cancer productus.

The two species are frequently confused with each other.