Vascular Plants of North Carolina
Account for Long-stem Adder's-tongue - Ophioglossum petiolatum   Hooker
Members of Ophioglossaceae:
Members of Ophioglossum with account distribution info or public map:
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Section 2 » Order Ophioglossales » Family Ophioglossaceae
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AuthorHooker
DistributionOuter Coastal Plain plus Shackleford Banks in Carteret County.

Native of Asia; probably introduced into N.A., from VA to FL, TX, and AR.
AbundanceRare. Despite Weakley (2020) considering it likely not native, the NCNHP nonetheless has it ranked as S2? and on the Watch List. The website editors follow Weakley and give the rank as SE? and Watch List of W4 (uncertain provenance), and not the NCNHP's W7 (poorly known, though assumed native).
HabitatRoadsides and ditches, maritime wet grassland.
Phenology
IdentificationFrom our other Adder's-tongues, this one differs in having a pointed tip to the leaf.
Taxonomic Comments
Other Common Name(s)
State RankSE?
Global RankG5
State StatusW7 [W4]
US Status
USACE-agcpFAC link
USACE-empFAC link
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