References

Knapp, W.M., D.B. Poindexter, and A.S. Weakley. 2020. The true identity of Marshallia grandiflora, an extinct species, and the description of Marshallia pulchra (Asteraceae, Helenieae, Marshalliinae). Phytotaxa 447: 1-15. http://dx.doi.org/10.11646/phytotaxa.447.1.1 Google Scholar