Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Hydrilla is most similar to Egeria, but it possesses prickles along the leaf margins and also on the central leaf vein beneath. Read more at Vascular Plants of North Carolina.
Aquatic weeds can clog irrigation channels and cover lakes, threatening crops and wildlife. Read more -- Outlawed! Federal Noxious Weeds: The Aquatics.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales
WEAKLEY'S FLORA (11/30/12):
Hydrilla verticillata
FAMILY
Hydrocharitaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hydrilla verticillata
FAMILY
Hydrocharitaceae
COMMON NAME:
Hydrilla
Click or hover over the thumbnails to see larger pictures.
)
Keith Bradley kab_h_verticillata_74746
June Miami-Dade County FL
South Dade Wetlands
Stems and leaves near the surface look like bottle brushes, per Invasive Plants, Guide to Identification, Impacts and Control.
COMPARE
aquatic plants
)
JK Marlow jkm160914_166
September
SE-EPPC Aquatic Plant ID Workshop
Fresh leaves noticeably rough to the touch, per Weakley's Flora (2015).
)
JK Marlow jkm160914_166b
September
SE-EPPC Aquatic Plant ID Workshop
Leaves mostly 1-2cm long, with stout sharp teeth on margins and midrib beneath, per Weakley's Flora.