Pentagramma triangularis Goldenback Fern ID: 0000 0000 0702 0412 [detail] © 1996 Margo Bors

Pentagramma triangularis Goldback Fern ID: 0024 3291 1998 0096 [detail] Gerald and Buff Corsi © 2000 California Academy of Sciences

Pentagramma triangularis ssp. triangularis Goldenback Fern ID: 0000 0000 0408 0050 [detail] © 2008 Brett Stevenson

Pityrogramma triangularis Goldenback Fern ID: 6666 6666 1109 0074 [detail] Gerald and Buff Corsi © 2009 California Academy of Sciences

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