Thunbergia gregorii (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Thunbergia gregorii" in English language version.

refsWebsite

Global rank English rank

2books.google.com

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books.google.com

Armitage, Allan M. (2011). Armitage's Vines and Climbers: A Gardener's Guide to the Best Vertical Plants. Timber Press. p. 193. ISBN 9781604692891.
Mathias, Mildred E. (1985). Flowering Plants in the Landscape. University of California Press. p. 126. ISBN 9780520054141.

doi.org

Schönenberger, Jürg (1999). "Floral structure, development and diversity in Thunbergia (Acanthaceae)". Botanical Journal of the Linnean Society. 130 (1): 1–36 [10–11]. doi:10.1111/j.1095-8339.1999.tb00779.x.

rhs.org.uk

"Thunbergia gregorii". www.rhs.org. Royal Horticultural Society. Retrieved 5 March 2021.