native species

koji starter (a preparation containing koji mold, used to produce a large batch of koji)

(taxonomy) specific epithet

designation / specification / appoint / designation

misgivings, unease, apprehension

have misgivings, be apprehensive, fear, be concerned, feel uneasy

extinction; annihilation; elimination

to go extinct; to be annihilated; to be eliminated

Amami (a city in Kagoshima Prefecture, Japan)

characteristic of, particular to