Possibly Potamogeton tricarinatus - see ref below - but was photographed at Hidden Secret Rockhole in the Doctor Hicks Rng GVD, which is a long long way outside the known range.
Bushtracker Owners Group Inc.
Edwards Tavern WODONGA Vic
Bushtracker
Hitch-Ezy Inventor
Absolute Trailer Solutions
ABCO Caravan Services
Lovells Springs P/L
DIESELHEAT
BTA Towing Equipment
COOKTOWN HOLIDAY PARK
SIMPLICITY AXLES
Atlas Travel Centre
ARB CAPALABA
Email