OF THE CAROLINAS & GEORGIA

Lycophytes: Isoetales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Isoetes hyemalis   FAMILY Isoetaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes hyemalis   FAMILY Isoetaceae

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

Isoetes hyemalis

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)

Isoetes hyemalis

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Isoetes hyemalis

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-002:

Isoetes engelmannii   FAMILY Isoetaceae

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

Isoetes engelmannii

INCLUDED WITHIN Ferns of the Southeastern States (Small, 1938)

Isoetes engelmannii var. engelmannii

 

COMMON NAME:
Wintergreen Quillwort, Winter Quillwort, evergreen quillwort


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

image of Isoetes hyemalis, Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Peter Schafran    psc_hye1

August    Pender County    NC

image of Isoetes hyemalis, Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Peter Schafran    psc_hye2

August    Orange County    NC

Duke Forest

I. hyemalis often forms large populations, sometimes w 1000s of individuals, per Georgia Quillworts (Musselman, 2001).

image of Isoetes hyemalis, Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Peter Schafran    psc_hye3

August    Columbus County    NC

image of Isoetes hyemalis, Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Peter Schafran    psc_hye4

August    Duplin County    NC

Mature megaspores in soil.

image of Isoetes hyemalis, Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Peter Schafran    psc_hye5

August    Orange County    NC

Camp Chestnut Ridge

Megaspores on knife blade.

image of Isoetes hyemalis, Wintergreen Quillwort, Winter Quillwort, evergreen quillwort

Peter Schafran    psc_hye6

August    Orange County    NC

Camp Chestnut Ridge

Megaspores at base of plant.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Isoetes hyemalis   FAMILY Isoetaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes hyemalis   FAMILY Isoetaceae

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

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes hyemalis

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Isoetes hyemalis

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-002:
Isoetes engelmannii   FAMILY Isoetaceae

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

INCLUDED WITHIN Ferns of the Southeastern States (Small, 1938)
Isoetes engelmannii var. engelmannii

 

Find by SCIENTIFIC NAME:

4239

Fern/Fern ally; Emergent aquatic (rooted)
Perennial

Habitat: blackwater streams and sandy streambanks, per Weakley's Flora

Native to the Carolinas & Georgia

Rare

map
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!



 


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