The first known specimens of the plant were collected in 1824 and identified as Libertia ixioides. L. cranwelliae was identified as a distinct species in 2002 due to its elongated rhizomes, smaller ovaries, alongside DNA and molecular evidence.
Description
Libertia cranwelliae consists of leafyfans that emerge from runners. Styloid crystals are found in the leaves of L. cranwelliae.