Scans of the lemma body unless otherwise noted. Scales are either 100μm or 20μm

S. clandestinus

Scanned at 6,120X	Scanned at 12,670X

S. compositus var. compositus

Scanned at 6,510X	Scanned at 13,210X

S. compositus var. macer & var. drummondii

Scans from the tip area and near the midrib show prickles not typical for the lemma body (as with S. compositus var. compositus above).

S.c. var. macer Scanned at 2,530X	S.c. var. drummondii Scanned at 1,740X

Sporobolus vaginiflorus

Scanned at 3,170X	Scanned at 13,500X

Distinguishing prickles and hooks in the midrib area is difficult.

Sporobolus neglectus

Scanned at 2,800X	Scanned at 10,840X