Iconography published in Nova Plantarum Genera (Micheli 1729) and designated as lectotype of Ruta patavina.

 
 
  Part of: Tietto C (2022) Haplophyllum patavinum in its relic habitats on the Euganean Hills (northeastern Italy), 300 years after its discovery (1722–2022). Italian Botanist 13: 19-26. https://doi.org/10.3897/italianbotanist.13.83174