R.  Harley and Paton, A., ?Lamiales Newsletter?, Lamiales Newsletter, pp. 1?20, 1996.

R.  Harley and Paton, A., ?Lamiales Newsletter?, Lamiales Newsletter, pp. 1?26, 1993.

A.  Paton, Harley, R., and Harvey, T., ?Vitex: A Newsletter for Lamiaceae {&} Verbenaceae Research?, Vitex: A Newsletter for Lamiaceae {&} Verbenaceae Research, pp. 1?23, 2000.

M.  Harley, Paton, A., Harley, R., and Cade, P., ?Pollen morphological studies in tribe Ocimeae(Nepetoideae: Labiatae). I: Ocimum L.?, Grana, 1992.

R.  Harley and Paton, A., ?Lamiales Newsletter?, Lamiales Newsletter, pp. 1?27, 1992.