Croft, J.; Cross, N.; Hinchcliffe, S.; Lughadha, E. Nic; Stevens, P. F.; West, J. G.; Whitbread, G. «Plant Names for the 21st Century: The International Plant Names Index, a Distributed Data Source of General Accessibility». Taxon, 48, 2, 5-1999, pàg. 317. DOI: 10.2307/1224436. ISSN: 0040-0262. JSTOR: 1224436.
Croft, J.; Cross, N.; Hinchcliffe, S.; Lughadha, E. Nic; Stevens, P. F.; West, J. G.; Whitbread, G. «Plant Names for the 21st Century: The International Plant Names Index, a Distributed Data Source of General Accessibility». Taxon, 48, 2, 5-1999, pàg. 317. DOI: 10.2307/1224436. ISSN: 0040-0262. JSTOR: 1224436.
Croft, J.; Cross, N.; Hinchcliffe, S.; Lughadha, E. Nic; Stevens, P. F.; West, J. G.; Whitbread, G. «Plant Names for the 21st Century: The International Plant Names Index, a Distributed Data Source of General Accessibility». Taxon, 48, 2, 5-1999, pàg. 317. DOI: 10.2307/1224436. ISSN: 0040-0262. JSTOR: 1224436.