The Tasmanian Fireweed was described in 2004; it was very likely long extinct at that time.

The species was endemic to the island of Tasmania, where it was found at an unspecified place in the northern Midlands; it probably grew at lowland plains near swamps; it was actually last recorded in the mid 1800s and is now very likely extinct. [1]

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References:

[1] Mark Wapstra; Ian Thompson; Alex Buchanan: An illustrated and annotated key to the Tasmanian species of Senecio (Asteraceae). Kanunnah 3: 49-93. 2008

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edited: 13.08.2022