International Pinguicula Study Group Newsletter (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "International Pinguicula Study Group Newsletter" in English language version.

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carnivorousplants.org

The International Pinguicula Study Group Archived 2010-12-14 at the Wayback Machine. International Carnivorous Plant Society.
Rondeau, J.H. & J.F. Steiger 1997. "Pinguicula macroceras subsp. nortensis, a new subspecies of Pinguicula (Lentibulariaceae) from the California-Oregon border" (PDF). International Pinguicula Study Group Newsletter 8: 3–8.
Legendre, L. & S. Lavayssiere 1993. "Pinguicula X l'hautil" (PDF). International Pinguicula Study Group Newsletter 3: 7–11.