Appendix B – Pest and Weed Management Plan (5 MB) - Santos

3. Results
3.1 Declared Weeds
Along the length of the GLNG pipeline alignment, 14 weeds declared as either Class 2 or Class 3 weeds
under the LP Act were recorded during the dry season and post wet season field surveys. No Class 1
weeds were encountered. The following weeds were recorded:
Class 1
No Class 1 weeds observed during field surveys.
Class 2
Acacia nilotica (prickly acacia);
Bryophyllum delagoense (mother-of-millions);
Cryptostegia grandiflora (rubber vine);
Harrisia martinii (harrisia cactus) – formerly Eriocereus martinii;
Opuntia spp. (prickly pear) – including O. stricta and O. tomentosa;
Parthenium hysterophorus (parthenium); and
Sporobolus pyramidalis (giant rat's tail grass).
Class 3
Anredera cordifolia (Madeira vine);
Aristolochia elegans (Dutchman's pipe);
Cascabela thevetia (yellow oleander);
Celtis sinensis (Chinese celtis);
Lantana camara (lantana);
Lantana montevidensis (creeping lantana); and
Macfadyena unguis-cati (cat's claw creeper).
3.2 Environmental Weeds
Non-declared environmental weeds, listed as of concern by landholders and local government agencies,
that were also recorded during weed surveys included the following 10 species:
Alternanthera pungens (khaki burr);
Bidens pilosa (cobbler's pegs);
Chloris virgata (feathertop rhodes grass);
Eragrostis curvula (African love grass);
21386-D-RP-012 - REV A
GLNG Pipeline FEED
Weed Survey Report - June 2010
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