by RICH, TIM C. G., MARDON, DAVID, CURTIS, IAN, HEYWARD, STAN J., HEYWARD, VERA G., MCKEAN, DOUGLAS R., HALL, TONY, HARRIS, STACEY, O'ROURKE, ANTONY, COWAN, ROBYN S., FAY, MICHAEL F.
Published in Botanical journal of the Linnean Society (01.02.2005)