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Azolla caroliniana Willdenow. Section: Azolla. Eastern Mosquito Fern, Water fern. Phen: Jun-Sep. Hab: Stagnant waters of interdune ponds, limesink ponds, old millponds, beaver ponds, floodplain sloughs, often locally abundant. Dist: Widespread in the se. United States, extending irregularly north (partly from introductions) into s. New England and MN, and south into the tropics.

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, Ar, C, ETx1, F, FNA2, G, Il, K1, Meso1, Mo1, NE, Pa, RAB, S13, Sf, SFla, Tn, Tx, TxFerns, Va, Bates & Browne (1981), Bunch & Hayden (2020), Reid, Plunkett, & Peters (2006); = n/a – Tat; < Azolla cristata Kaulf. – K4, NY; < Azolla filiculoides Lam. – WH3, Evrard & Van Hove (2004); < Azolla microphylla Kaulf. – K3

Links to other floras: = Azolla caroliniana - FNA2

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (taxonomic lump from wetland indicator species)
  • Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
  • Great Plains: OBL (taxonomic split from wetland indicator species)
  • Midwest: OBL (taxonomic lump from wetland indicator species)
  • Northcentral & Northeast: OBL (taxonomic lump from wetland indicator species)

Heliophily ⓘ: 6

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image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Jacob Dakar | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Alan Cressler: Azolla caroliniana, Murray County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Bruce Sorrie | Original Image ⭷

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