Lycophytes: Isoetales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes tegetiformans
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 tegetiformans
FAMILY
Isoetaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes tegetiformans
SYNONYMOUS WITH Flora of North America
Isoetes tegetiformans
SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes tegetiformans
COMMON NAME:
Mat-forming Quillwort, Merlin's Grass, Mat-forming Melin's grass
To see larger pictures, click or hover over the thumbnails.
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Peter Schafran psc_tege1
February Columbia County GA
Mat-forming quillwort has a growth habit unique among the Isoetaceae, per Synopsis of Isoetes in the Southeastern United States (Boom, 1982).
)
Peter Schafran psc_tege2
February Columbia County GA
Rhizomatous rootstock is strikingly different from other Georgia Quillworts, per Georgia Quillworts (Musselman, 2001).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isoetes tegetiformans
FAMILY
Isoetaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isoetes tegetiformans
FAMILY
Isoetaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isoetes tegetiformans
SYNONYMOUS WITH
Flora of North America
Isoetes tegetiformans
SYNONYMOUS WITH
Georgia Quillworts (Musselman, 2001)
Isoetes tegetiformans
4241
Fern/Fern ally
Perennial
Habitat: In shallow pools on granite flatrocks, per Weakley's Flora
Native to Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Deciduous to nearly evergreen
Simple
Leaves 2-ranked at maturity
FRUIT:
Winter/Spring/Summer
TO LEARN MORE about this plant, look it up in a good book!
- Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986) p240
- Field Guide to the Rare Plants of Georgia (Chafin, 2007) p175
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