Crassula helmsii(CSBHE)
Distribution details in Netherlands
First recorded in: 1995
Pest status declared by NPPO: Present, in some areas (2015-12)
EPPO Reporting Service (2004/042) : Alert listing. First found in 1995 in a nature reserve near Breda.
* Buscher D (1990) Crassula helmsii (T. Kirk) Cockayne in Westfalen. Floristische Rundbriefe, 24, 8–9.
* Mang FWC (1991) [New and old in Hamburg Flora.] Ber. Bot. Vereins Hamburg 12, 41–56.
* NPPO of the Netherlands - Pest status of harmful organisms in the Netherlands (Fytosignalering covering 2007, 2009, 2011, 2012, 2013, 2014, 2015).
* Mang FWC (1991) [New and old in Hamburg Flora.] Ber. Bot. Vereins Hamburg 12, 41–56.
* NPPO of the Netherlands - Pest status of harmful organisms in the Netherlands (Fytosignalering covering 2007, 2009, 2011, 2012, 2013, 2014, 2015).
Country | State | Status | |
---|---|---|---|
Belgium | Present, no details | ||
Germany | Present, restricted distribution |