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 (Radford, Ahles, & Bell, 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_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).
Peter Schafran psc_mel4
May DeKalb County GA
Stone Mountain
Scanning electron micrograph of megaspore proximal surface at 100X.
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).