Lycophytes: Isoetales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes valida
FAMILY
Isoetaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Isoetes from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isoetes valida
FAMILY
Isoetaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes valida
SYNONYMOUS WITH Flora of North America
Isoetes caroliniana
SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes valida
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-002?:
Isoetes engelmannii FAMILY Isoetaceae
SYNONYMOUS WITH Ferns of the Southeastern States (Small, 1938)
Isoetes engelmannii var. caroliniana
COMMON NAME:
Mountain Quillwort, Carolina Quillwort, Strong Quillwort
To see larger pictures, click or hover over the thumbnails.
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Peter Schafran psc_val2
Scanning electron micrograph of megaspore proximal surface at 100X.
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Peter Schafran psc_val1
November Adams County PA
Michaux State Forest
Scanning electron micrograph of megaspore distal & equatorial surfaces at 100X.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes valida
FAMILY
Isoetaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isoetes valida
FAMILY
Isoetaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes valida
SYNONYMOUS WITH
Flora of North America
Isoetes caroliniana
SYNONYMOUS WITH
Georgia Quillworts (Musselman, 2001)
Isoetes valida
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-002?:
Isoetes engelmannii
FAMILY
Isoetaceae
SYNONYMOUS WITH
Ferns of the Southeastern States (Small, 1938)
Isoetes engelmannii var. caroliniana
4242
Fern/Fern ally; Emergent aquatic (rooted)
Perennial
Habitat: bogs (growing in Sphagnum), pools, ponds, and seeps, per Weakley's Flora
Native to the Carolinas & Georgia
Common in NC Mountains, rare in GA & SC
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Evergreen
Simple
Leaves whorled, at least at maturity
FRUIT:
Spring/Summer/Fall
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".