Family: Portulacaceae (Portulacca Family).
Occurrence. Uncommon. Wet areas. It may be submerged.
As "australasica" suggests, White Purslane is native to Australia and New Zealand.
Identification: It is very variable species; it may form dense colonies only a few centimetres high; the form photographed is a taller form.
Neopaxia: Neo = new; paxia F. Pax, b1858, a German Botanist.
Photos: White Purslane, Harcourt North. All photos: Bonnie Humphreys.