Crassula helmsii(CSBHE)
Distribution details in France
Pest status declared by NPPO: Present, few occurrences (2011-06)
EPPO Reporting Service (2004/042) : Alert listing.
EPPO Reporting Service (2006/023) : new locations in Lorraine and Basse-Normandie.
EPPO Reporting Service (2010/192) : found in Ain (artificial lake of Pyes) in August 2010.
EPPO Reporting Service (2013/113) : found in Chappelle-Bâton, in the Deux-Sèvres Department (Poitou-Charentes region).
EPPO Reporting Service (2006/023) : new locations in Lorraine and Basse-Normandie.
EPPO Reporting Service (2010/192) : found in Ain (artificial lake of Pyes) in August 2010.
EPPO Reporting Service (2013/113) : found in Chappelle-Bâton, in the Deux-Sèvres Department (Poitou-Charentes region).
* Conservatoire Botanique National Sud-Atlantique (2011) Document d’alerte. Plante exotique envahissante émergente. Crassula helmsii. 1 p.
* NPPO of France (2011-06).
* Pianezzola A, Seznec G (2004) Observations de deux nouvelles adventices en Lorraine: Centranthus calcitrapae (L.) Dufresne et Crassula helmsii (T. Kirk) Cockayne. Le Monde des Plantes, 482, p 3.
* Personal communication with Gilles Pache, Conservatoire Botanique National Alpin (2010), E-mail : g.pache.cbna@gmail.com
* Personal communication with Alain Dutartre, Institut national de recherché en sciences et technologies pour l’environnement et l’agriculture (Irstea) (2013), E-mail: Alain.Dutartre@irstea.fr
* NPPO of France (2011-06).
* Pianezzola A, Seznec G (2004) Observations de deux nouvelles adventices en Lorraine: Centranthus calcitrapae (L.) Dufresne et Crassula helmsii (T. Kirk) Cockayne. Le Monde des Plantes, 482, p 3.
* Personal communication with Gilles Pache, Conservatoire Botanique National Alpin (2010), E-mail : g.pache.cbna@gmail.com
* Personal communication with Alain Dutartre, Institut national de recherché en sciences et technologies pour l’environnement et l’agriculture (Irstea) (2013), E-mail: Alain.Dutartre@irstea.fr
Country | State | Status | |
---|---|---|---|
Belgium | Present, no details | ||
Germany | Present, restricted distribution | ||
Spain | Present, no details |