The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
References
- Bailey, L. H. & E. Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.
- Barringer, K. & W. Burger. 2000. Family 193. Scrophulariaceae. In: W. Burger (ed.), Flora Costaricensis. Fieldiana, Bot., n.s. 41: 1–69.
- Forzza, R. C. & et al. 2010. 2010 Lista de espécies Flora do Brasil. http://floradobrasil.jbrj.gov.br/2010/.
- Nelson, C. H. 2008. Cat. Pl. Vasc. Honduras 1–1576.
- Stevens, W. D., C. Ulloa Ulloa, A. Pool & O. M. Montiel. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85: i–xlii,.
- USDA, NRCS. 2007. The PLANTS Database (http://plants.usda.gov). National Plant Data Center, Baton Rouge.
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