Dahlgren system (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Dahlgren system" in English language version.

refsWebsite

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3books.google.com

3^rd place

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1plantsystematics.org

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low place

books.google.com

Dahlgren 1977. Dahlgren, Rolf (1977). A commentary on a diagrammatic presentation of the angiosperms in relation to the distribution of character states. pp. 253–284., in Kubitzki (1977)
Dahlgren & Clifford 1982. Dahlgren, Rolf; Clifford, H. T. (1982). The monocotyledons: A comparative study. London and New York: Academic Press.
Dahlgren, Clifford & Yeo 1985. Dahlgren, R.M.; Clifford, H.T.; Yeo, P.F. (1985). The families of the monocotyledons. Berlin: Springer-Verlag. ISBN 978-3-642-64903-5. Additional excerpts

doi.org

Dahlgren 1980. Dahlgren, R. M. T. (February 1980). "A revised system of classification of the angiosperms". Botanical Journal of the Linnean Society. 80 (2): 91–124. doi:10.1111/j.1095-8339.1980.tb01661.x.

plantsystematics.org

JL Reveal:Dahlgren System of Angiosperm Classification 1997

springer.com

Dahlgren, Clifford & Yeo 1985. Dahlgren, R.M.; Clifford, H.T.; Yeo, P.F. (1985). The families of the monocotyledons. Berlin: Springer-Verlag. ISBN 978-3-642-64903-5. Additional excerpts