Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Potamogeton diversifolius
FAMILY
Potamogetonaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Potamogeton from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Potamogeton diversifolius
FAMILY
Potamogetonaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Potamogeton diversifolius
SYNONYMOUS WITH Flora of North America
Potamogeton diversifolius
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 022-01-002:
Potamogeton diversifolius FAMILY Potamogetonaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Potamogeton diversifolius
COMMON NAME:
Common Snailseed Pondweed, Waterthread Pondweed
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_podi_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_podi_003_lvd
)
Keith Bradley kab_p_diversifolius_74909
June Osceola County FL
Floating leaves usually present; submersed leaves flat, linear, non-septate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
aquatic plants
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Keith Bradley kab_p_diversifolius_74915
June Osceola County FL
Subsurface leaves are thin, ribbon-like and alternate; stem often forks, per Field Guide to Aquatic Plants of Alabama (Lovell, 2007).
)
JK Marlow jkm210709_2010
July Greenville County SC
Blackwell Heritage Preserve
Fruiting spikes cylindric, 3-20mm long, 3-6mm broad; peduncles to 7cm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm210709_2012
July Greenville County SC
Blackwell Heritage Preserve
Surface leaves are oval, about 1 to 2 inches long and opposite, per Field Guide to Aquatic Plants of Alabama (Lovell, 2007).
)
JK Marlow jkm210806_2427
July Greenville County SC
Blackwell Heritage Preserve
)
JK Marlow jkm210806_2429
July Greenville County SC
Blackwell Heritage Preserve
Infl's unbranched; spikes dimorphic: submersed capitate & 2-3mm, emersed cylindric & 5-9.7mm, per Flora of North America.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Potamogeton diversifolius
FAMILY
Potamogetonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Potamogeton diversifolius
FAMILY
Potamogetonaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Potamogeton diversifolius
SYNONYMOUS WITH
Flora of North America
Potamogeton diversifolius
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 022-01-002:
Potamogeton diversifolius
FAMILY
Potamogetonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Potamogeton diversifolius
4106
Submersed aquatic (rooted); Forb
Perennial
Habitat: Pools, ponds, lakes, streams, rivers, per Weakley's Flora
Native to the Carolinas & Georgia
Common
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Mostly alternate
Margins entire
FLOWER:
Summer/Fall
Calyx absent
Petals absent
4 stamens
Superior ovary
Bisexual
FRUIT:
Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".