I found a much shorter link that leads to the same answer; it also shows how to cite the work which includes a current date.
The link:
http://floradobrasil.jbrj.gov....
"How To Cite:
Borges, R.A.X.; Teles, A.M. Pseudogynoxys in Lista de Espécies da Flora do Brasil. Jardim Botânico do Rio de Janeiro. Available in: <http://floradobrasil.jbrj.gov.br/jabot/floradobrasil/FB102404>. Access on: 08 Abr. 2015"