Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Leaves borne in 3s; appear 2-ranked, but with 3rd leaf finely dissected and dangling, resembling roots. Read more at Center for Aquatic & Invasive Plants.
Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Salviniales
WEAKLEY'S FLORA (10/20/20):
Salvinia minima
FAMILY
Salviniaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Salvinia minima
FAMILY
Salviniaceae
SYNONYMOUS WITH (MISAPPLIED)
Manual of the Southeastern Flora (Small, 1933)
Salvinia auriculata
COMMON NAME:
Water Spangles, Floating Fern
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JK Marlow jkm160914_136b
September
SE-EPPC Aquatic Plant ID Workshop
Hairs of upper leaf surface w 4 free, spreading branches [not joined at tips], per Weakley's Flora.
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Salvinia species
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JK Marlow jkm160914_136c
September
SE-EPPC Aquatic Plant ID Workshop
Leaves entire, about 1cm in diameter, round or oval with a cordate base, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
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aquatic plants
)
JK Marlow jkm160914_137
September
SE-EPPC Aquatic Plant ID Workshop
Half the size of Giant Salvinias (S. molesta, biloba, herzogii, auriculata), per New Invaders of the Southeast.