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Hypericum japonicum Thunb.
Matted St John's Wort

Reference
Fl.Jap. 295 Tab.31 (1784)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Ascending annual, herb, 0.02-0.12 m high. Fl. yellow, Oct to Nov. Moist places: pool edges, ephemeral swamps, creek beds.

Grazyna Paczkowska, Descriptive Catalogue, 15 October 1996
Image

Distribution

IBRA Regions
Carnarvon, Central Ranges, Coolgardie, Geraldton Sandplains, Jarrah Forest, Little Sandy Desert, Murchison, Swan Coastal Plain, Warren.
IBRA Subregions
Eastern Murchison, Geraldton Hills, Lesueur Sandplain, Mann-Musgrave Block, Mardabilla, Northern Jarrah Forest, Perth, Trainor, Warren, Wooramel.
Local Government Areas (LGAs)
Busselton, Esperance, Harvey, Irwin, Manjimup, Ngaanyatjarraku, Northampton, Sandstone, Serpentine-Jarrahdale, Toodyay, Upper Gascoyne, Victoria Plains, West Arthur, Wiluna.