Gardner, G. (1847). Constributions towards a Flora of Brasil, being the characters of several new species of Compositae, belonging to the tribes Mutisiaceae and Nassauviaceae. <em>London Journal of Botany 6.</em> page(s): 120 [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Pterygopappus lawrencii Hook.f.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1134805 on 2025-03-27
original descriptionGardner, G. (1847). Constributions towards a Flora of Brasil, being the characters of several new species of Compositae, belonging to the tribes Mutisiaceae and Nassauviaceae. <em>London Journal of Botany 6.</em> page(s): 120 [details]