Acaena exigua was endemic to the state that received statehood on what date?
Acaena exigua:  It was endemic to Hawaii, where it was known from Kauaʻ i and west Maui. Hawaii: Hawaii ( ; Hawaiian: "" ] ) is the 50th and most recent state to have joined the United States of America, having received statehood on August 21, 1959.
i don't know