Mecardonia procumbens
Mecardonia procumbens (Mill.) Small (1903) l'è 'na piànta erbàcea uriginària de le regiù tropicàle e sub-tropicàle de le Americhe, ma che la s'è difundìda endele zòne piö càlde de töcc i cuntinèncc föra che 'ndèl Antàrtich. Se la tróa apò a 'n divèrse de le ìzole che g'ha 'n clìma che ghe à bé.

Riferimèncc
 Souza, Vinícius Castro (1997). "Studies on the delimitation of Mecardonia procumbens (Mill.) Small (Scrophulariaceae)". Acta Botanica Brasilica 11 (2): 181–189.
 Chen, Shih-Huei, and Ming-Jou Wu (2001) "Notes on two newly naturalized plants in Taiwan." Taiwania–Taipei– 46 (1): 85-92.
 Yakandawala, Deepthi; Yakandawala, Kapila (2007). "Mecardonia procumbens (Mill.) Small, an addition to the Sri Lankan Scrophulariaceae Juss.". Ceylon Journal of Science (Biological Sciences) 36 (1): 61–64. Retrieved 14 May 2013.
 Hyland, B. P. M.; Whiffin, T.; Zich, F. A. et al. (Dec 2010). "Factsheet – Mecardonia procumbens". Australian Tropical Rainforest Plants. Edition 6.1, online version [RFK 6.1]. Cairns, Australia: Commonwealth Scientific and Industrial Research Organisation, through its Division of Plant Industry; the Centre for Australian National Biodiversity Research; the Australian Tropical Herbarium, James Cook University. Retrieved 14 May 2013.

Plantaginaceae
Botànica