Hutchinson 1923. Hutchinson, J. (1923). "Contributions towards a Phylogenetic Classification of Flowering Plants. I". Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew). 1923 (2): 65–89. doi:10.2307/4118622. ISSN0366-4457. JSTOR4118622.
jstor.org
Hutchinson 1973. Hutchinson, John (1973). The families of flowering plants, arranged according to a new system based on their probable phylogeny. 2 vols (3rd ed.). Oxford University Press.
Gundersen, Alfred (1926). "The Classification of Dicotyledons". Torreya (Review). 26 (4): 70–75. ISSN0096-3844. JSTOR40596468.
Hutchinson 1923. Hutchinson, J. (1923). "Contributions towards a Phylogenetic Classification of Flowering Plants. I". Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew). 1923 (2): 65–89. doi:10.2307/4118622. ISSN0366-4457. JSTOR4118622.
Hutchinson 1973. Hutchinson, John (1973). The families of flowering plants, arranged according to a new system based on their probable phylogeny. 2 vols (3rd ed.). Oxford University Press.
Gundersen, Alfred (1926). "The Classification of Dicotyledons". Torreya (Review). 26 (4): 70–75. ISSN0096-3844. JSTOR40596468.
Hutchinson 1923. Hutchinson, J. (1923). "Contributions towards a Phylogenetic Classification of Flowering Plants. I". Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew). 1923 (2): 65–89. doi:10.2307/4118622. ISSN0366-4457. JSTOR4118622.