(en) Ernest Small, « Systematics of Biological Systematics (Or, Taxonomy of Taxonomy) », Taxon, International Association for Plant Taxonomy (IAPT), vol. 38, no 3, , p. 335-356 (ISSN0040-0262, DOI10.2307/1222265, JSTOR1222265).
(en) Kenneth J. Sytsma et J. Chris Pires, « Plant Systematics in the Next 50 Years. Re-Mapping the New Frontier », Taxon, International Association for Plant Taxonomy (IAPT), vol. 50, no 3 « Golden Jubilee Part 5 », , p. 713-732 (ISSN0040-0262, DOI10.2307/1223703, JSTOR1223703).
issn.org
portal.issn.org
(en) Ernest Small, « Systematics of Biological Systematics (Or, Taxonomy of Taxonomy) », Taxon, International Association for Plant Taxonomy (IAPT), vol. 38, no 3, , p. 335-356 (ISSN0040-0262, DOI10.2307/1222265, JSTOR1222265).
(en) Kenneth J. Sytsma et J. Chris Pires, « Plant Systematics in the Next 50 Years. Re-Mapping the New Frontier », Taxon, International Association for Plant Taxonomy (IAPT), vol. 50, no 3 « Golden Jubilee Part 5 », , p. 713-732 (ISSN0040-0262, DOI10.2307/1223703, JSTOR1223703).
jstor.org
(en) Ernest Small, « Systematics of Biological Systematics (Or, Taxonomy of Taxonomy) », Taxon, International Association for Plant Taxonomy (IAPT), vol. 38, no 3, , p. 335-356 (ISSN0040-0262, DOI10.2307/1222265, JSTOR1222265).
(en) Kenneth J. Sytsma et J. Chris Pires, « Plant Systematics in the Next 50 Years. Re-Mapping the New Frontier », Taxon, International Association for Plant Taxonomy (IAPT), vol. 50, no 3 « Golden Jubilee Part 5 », , p. 713-732 (ISSN0040-0262, DOI10.2307/1223703, JSTOR1223703).