Carex banksii is a species of flowering plant in the sedge family, Cyperaceae. Carex banksii is native to South America and was first formally named by Francis Boott in 1839.
Four varieties are accepted:
Carex banksii var. abbreviata Carex banksii var. banksii Carex banksii var. fonkii Carex banksii var. odontolepis
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