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Pteridium aquilinum var. latiusculum Autumn colors of Pteridium aquilinum var. latiusculum fronds Eastern Bracken Fern,Geotagged,Pteridium aquilinum var. latiusculum,Summer,United States Click/tap to enlarge

Pteridium aquilinum var. latiusculum

Autumn colors of Pteridium aquilinum var. latiusculum fronds

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Distinguished from other Pteridium aquilinum varieties by the terminal segments of pinnules 2-4 times longer than wide; segment margins and abaxial surface of blade midrib and costae shaggy.

Petiole 15--100 cm. Blade broadly triangular to sometimes ovate, 3-pinnate or 3-pinnate-pinnatifid at base, 20--80 × 25--50 cm; blade margins and abaxial surface shaggy, rachises and costae glabrous or sparsely pilose abaxially. Pinnae (proximal) broadly triangular, distal pinnae narrowly triangular.. more

Similar species: Polypodiales
Species identified by Gary B
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By Gary B

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Uploaded Mar 15, 2019. Captured Sep 19, 2017 16:15 in 4408 Miller Rd, Barnum, MN 55707, USA.
  • SAMSUNG-SM-G930A
  • f/1.7
  • 1/100s
  • ISO80
  • 4.2mm