Rock’s Sedge (Cyperus rockii)
Rock’s Sedge was described in 1920, it was endemic to the wet rainforests at the Wai’alae Valley on the island of Kaua’i, Hawaiian islands.
The species is now considered probably extinct.
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edited: 27.05.2019
Dead as the Dodo – Holocene Extinctions
… about 5858 taxa have disappeared since the beginning of the Anthropocene era (since about 10000 BCE)
