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- The existence of a rare parasitic plant, Cuscuta australis var. bidentis in a dried up pond in the Dombes.
Ducerf G. La physiophile No 107, December 1987.
- A note on the Genista pilosa L. of Mont Beuvray.
Ducerf G. et Erhet J.M. Bulletin of the Autun Natural History Society No 122, 1987.
- New species and the evolution of the flora of the Loire valley in Burgundy.
Ducerf G. Bulletin of the Autun Natural History Society No 129, June 1989.
- Botanical study of the Truchère Natural Reserve.
Ducerf G. of the Autun Natural History Society No 140, October 1992.
- New species for the flora of France and Corsica
Armand F., Ducerf G.; Gamisans J. et Guyot I.
Notes and contributions towards the flora of Corsica, VIII, X (conservatory and botanical garden of Geneva, 1992).
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