One subspecies possibly occurring in NSW (ST): Cerastium fontanum subsp. fontanum. However, the taxonomy of this group is unclear - this may belong to C. vulgare.
Text by KL Wilson (2006) Taxon concept: L Adams in Walsh and Entwisle Fl Victoria vol 3 (1996)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data ***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
