Southern Ranges Environmental Alliance - www.srea.org.au
Southern Dandenongs Landcare Group - www.sdlg.org.au
Friends of Sassafras Creek - www.fosc.org.au (follow their work in the Sassafras Creek Nature Conservation Reserve along Perrins and Sassafras Creeks)
Friends of Sherbrooke Forest - www.friendsofsherbrookforest.blogspot.com.au (established 1980, they care for 800ha of Sherbrooke Forest, the main work is getting rid of environmental weeds, also mapping and WaterWatch)
Friends of Ferny Creek - www.fofc.org.au (formed in 2005 to care for Ferny Creek and Mast Gully Creeks water quality and deal with environmental weeds)
Friends of Helmeted Honeyeater - www.helmetedhoneyeater.org.au
Monbulk Landcare - www.facebook.com/groups/143638575657093
Yarra Ranges Council - www.yarraranges.vic.gov.au/Property/Trees-vegetation/Weeds
Department of Economic Development, Jobs, Transport and Resources - www.depi.vic.gov.au/agriculture-and-food/pests-diseases-and-weeds/weeds/a-z-of-weeds
Cardinia Shire Council - www.cardinia.vic.gov.au
Department of Economic Development, Jobs, Transport and Resources - www.depi.vic.gov.au (DEDJTR is the CALP Act 1994 authority)
Parks Victoria - www.parkweb.vic.gov.au
Melbourne Water - www.melbournewater.com.au