Knapp, W.M., Poindexter, D.B. and Weakley, A.S. 2020.

The true identity of Marshallia grandiflora, an extinct species, and the description of Marshallia pulchra (Asteraceae, Helenieae, Marshalliinae)

. Phytotaxa. 447, 1 (Jun. 2020), 1–15. DOI:https://doi.org/10.11646/phytotaxa.447.1.1.