Référence:

Jayson G Chavez, Ulrich Meve, Nicolai M Nürk, Sigrid Liede-Schumann, Disentangling Antirhea (Rubiaceae): resurrection of Guettardella and description of the new genus Achilleanthus, Botanical Journal of the Linnean Society, 2021;, boab013, https://doi.org/10.1093/botlinnean/boab013