Petrophile brevifolia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Petrophile brevifolia" in English language version.

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441^st place

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ala.org.au

Foreman, David B. "Petrophile brevifolia". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 3 December 2020.

Lindley, John (1840). A Sketch of the Vegetation of the Swan River Colony. London: James Ridgway. p. xxxv. Retrieved 3 December 2020.