OF THE CAROLINAS & GEORGIA

Lycophytes: Isoetales

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



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes engelmannii   FAMILY Isoetaceae

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

Isoetes engelmannii

INCLUDED WITHIN Flora of North America

Isoetes engelmannii

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)

Isoetes engelmannii

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

Isoetes engelmannii   FAMILY Isoetaceae

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

Isoetes engelmannii var. engelmannii

 

COMMON NAME:
Engelmann's Quillwort, Appalachian Quillwort


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

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Patrick D. McMillan    pdmiengelmanii_pc1

April    Pickens County    SC

Poe Creek State Forest

I. engelmannii leaves can be up to 1m long and are usually dark green, per Georgia Quillworts (Musselman, 2001).

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Peter Schafran    psc_eng4

April    Rockbridge County    VA

Depression pond. Megaspores at 63X, not cleaned

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Peter Schafran    psc_eng2

May    Stanly County    NC

Morrow Mountain State Park

Plants amphibious in wet ditches, running or standing shallow fresh water, per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Peter Schafran    psc_eng1

June    Cumberland County    TN

Megaspores at 63X

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Peter Schafran    psc_eng3

August    Polk County    TN

Riverbank

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Peter Schafran    psc_eng5

Month Unknown        

Scanning electron micrograph of megaspores at 100X

Megaspores light cream or white, reticulate, 400-600 micra in diameter, per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).

image of Isoetes engelmannii, Engelmann's Quillwort, Appalachian Quillwort

Peter Schafran    psc_eng6

Month Unknown        

Scanning electron micrograph of megaspores at 100X

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes engelmannii   FAMILY Isoetaceae

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

INCLUDED WITHIN Flora of North America
Isoetes engelmannii

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes engelmannii

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

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

 

Find by SCIENTIFIC NAME:

2601

Fern/Fern ally; Emergent aquatic (rooted)
Perennial

Habitat: Usually in permanent water bodies with active current, per Weakley's Flora

Native to the Carolinas & Georgia

Common (rare in GA Coastal Plain)

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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