References
1. USDA website, http://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=JUBR6&display=31
2. Scheper, Jack (a long time gardener). "#13 Justicia brandegeana". Aug. 27, 2007,http://www.floridata.com/ref/j/just_bra.cfm
3. BloomIQ. 2011. "Brazillian Plume Flower" . http://bloomiq.com/brazilian-plume-flower
4. Shoot Gardening Tips website. "Justicia brandegeana (Shrimp plant)" .
2004-2011. http://www.shootgardening.co.uk/plant/justicia-brandegeana
5.Wildflower Organization. "Justica americana"http://www.wildflower.org/plants/result.php?id_plant=JUAM