NameThatPlant.net: Isoetes virginica

Lycophytes: Isoetales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes virginica 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 virginica FAMILY Isoetaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Isoetes virginica

INCLUDED WITHIN Flora of North America

Isoetes virginica

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-001?:

Isoetes melanopoda FAMILY Isoetaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Isoetes virginica

COMMON NAME:
Virginia Quillwort

To see larger pictures, click or hover over the thumbnails.

image of Isoetes virginica, Virginia Quillwort

Peter Schafran psc_virg1

Scanning electron micrograph of megaspore equatorial surface at 100X

Megaspores cream colored or white, tuberculate, 440-470 micra in diameter, per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes virginica FAMILY Isoetaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes virginica FAMILY Isoetaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes virginica

INCLUDED WITHIN Flora of North America
Isoetes virginica

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-001?:
Isoetes melanopoda FAMILY Isoetaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Isoetes virginica

2653

Fern/Fern ally
Perennial

Habitat: In woodland streams, per Weakley's Flora

Native to the Carolinas

Rare

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Deciduous
Simple
Leaves whorled, at least at maturity

FRUIT:
Summer/Fall

TO LEARN MORE about this plant, look it up in a good book!

Peterson Field Guide to Ferns of Northeastern and Central North America p370

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".