Publication: Systematic Botany 41(4):894-901.
selected vouchers: WTU
Notes: Easily confused with Huperzia miyoshiana.
Recently (2016) published in Systematic Botany, in which history of name Huperzia haleakelae is explained. Huperzia haleakelae is known only from Hawaii; all reports from North America are referred to H. continentalis.