OF THE CAROLINAS & GEORGIA

Lycophytes: Isoetales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes piedmontana   FAMILY Isoetaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes piedmontana   FAMILY Isoetaceae

INCLUDED WITHIN Flora of North America

Isoetes virginica

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)

Isoetes piedmontana

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)

Isoetes piedmontana

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:
Piedmont Quillwort


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

image of Isoetes piedmontana, Piedmont Quillwort

Alan Cressler    alc_4341844627_b

February    Muscogee County    GA

Flat Rock County Park

The most common quillwort on granite flat rock environments in Georgia, per Alan Cressler.

image of Isoetes piedmontana, Piedmont Quillwort

Alan Cressler    alc_i_piedmontana

February    Gwinnett County    GA

Tribble Mill County Park

This winter ephemeral goes dormant when weather gets hot and water dries up, per Alan Cressler.

image of Isoetes piedmontana, Piedmont Quillwort

Peter Schafran    psc_pied1

May    Muscogee County    GA

Flat Rock Park

Like all granite outcrop Quillworts, I. piedmontana has phyllopodia, per Georgia Quillworts (Musselman, 2001).

image of Isoetes piedmontana, Piedmont Quillwort

Peter Schafran    psc_pied2

May    Muscogee County    GA

Flat Rock Park

Microspores echinate, usually brownish [here shown fertile microsporangia], per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).

image of Isoetes piedmontana, Piedmont Quillwort

Peter Schafran    psc_pied3

May    Pike County    GA

Found in shallow pools on granite (vs. I. virginica in meadows & low woods), per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).

image of Isoetes piedmontana, Piedmont Quillwort

Peter Schafran    psc_pied4

June    Wake County    NC

Mitchell Mill State Natural Area

Plants solitary; leaves whorled at maturity, 7-15cm in length, per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).

image of Isoetes piedmontana, Piedmont Quillwort

Peter Schafran    psc_pied5

June    Wake County    NC

Mitchell Mill State Natural Area

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes piedmontana   FAMILY Isoetaceae

INCLUDED WITHIN Flora of North America
Isoetes virginica

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Isoetes piedmontana

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes piedmontana

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

 

Find by SCIENTIFIC NAME:

2383

Fern/Fern ally
Perennial

Habitat: In seepage on or near granitic flatrocks, rarely on sandstone (Altamaha grit and Ridge and Valley), per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in Piedmont (rare in Coastal Plain)

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:
Spring/Summer/Fall

 

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



 


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