Dig deeper at SERNEC, a consortium of southeastern herbaria.
Lycophytes: Isoetales
WEAKLEY'S FLORA (5/21/15):
Isoetes melanospora
FAMILY
Isoetaceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Isoetes melanospora
FAMILY
Isoetaceae
SYNONYMOUS WITH
Georgia Quillworts (Musselman, 2001)
Isoetes melanospora
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (1968) 005-01-001?:
Isoetes melanopoda
FAMILY
Isoetaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933)
Isoetes melanospora
COMMON NAME:
Black-spored Quillwort
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Peter Schafran psc_mel1
May DeKalb County GA
Stone Mountain
Isoetes submerged in pool.
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Peter Schafran psc_mel2
May DeKalb County GA
Stone Mountain
Isoetes submerged in pool.
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Peter Schafran psc_mel3
May DeKalb County GA
Stone Mountain
The name refers to the color of the megaspores, which are esp dark when wet, per Georgia Quillworts. Tipularia (Musselman, 2001).
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Peter Schafran psc_mel4
May DeKalb County GA
Stone Mountain
Scanning electron micrograph of megaspore proximal surface at 100X.
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Peter Schafran psc_mel5
May DeKalb County GA
Stone Mountain. Scanning electron micrograph of megaspore distal surface at 200X
Megaspores black, tuberculate, 280-440 micra in diameter, per Synopsis of Isoetes in the Southeastern United States. Castanea (Boom, 1982).