This introduced groundcover is commonly known as pimpernel.
Lysimachia arvensis is described as a "dicot" in the Myrsinaceae family.
In the Queensland Nature Conservation Act it is not classified as it is not native to Queensland. Under the Federal Environment Protection Biodiversity Conservation Act it is not classified.
In Plants of the World Online the blue flowered variety is now known as Lysimachia loeflingii. Discussed in iNaturalist Australia https://www.inaturalist.org/posts/80958-splitting-of-lysimachia-arvensis-colour-morphs
It has been recorded in the Wide Bay district in the Queensland Herbarium Census and is listed as occurring in the Fraser Coast region in the Atlas of Living Australia.
Reported at 8 Fraser Coast localities: Granville, Maryborough, Mount Urah, River Heads, Tiaro, Tinnanbar, Walligan, Yengarie.
Fraser Coast distribution based on unverified field reports.
AVH