Muhlenbergia glomerata

Species category

Weed

Common name

spiked muhly, bristly muhly, marsh muhly

Diagnostic characters

Planting unit

FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.

Shape

Lanceolate

Size

  • Length 2–2.8 mm
  • Width 0.4–0.5 mm
  • Thickness 0.4–0.5 mm

Color

Light brown

Texture

Smooth

Lemma

Awnless; strong central longitudinal ridge.

Palea

Margins often above lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.

Other structures

RachillaRachilla:
The axis of a spikelet.
is not present.

Identification notes

Dark brown caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
seen through paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Muhlenbergia glomerata (Willd.) Trin.

Synonyms

Agrostis festucoides Muhl. ex Roem. & Schult.
Agrostis setosa Muhl.
Agrostis setosa Spreng. ex Trin.
Alopecurus glomeratus (Willd.) Poir.
Dactylogramma cinnoides Link
Muhlenbergia calycina (Trin.) Trin.
Muhlenbergia glomerata var. cinnoides (Link) F.J. Herm.
Muhlenbergia glomerata var. glomerata (Willd.) Trin.
Muhlenbergia racemosa var. cinnoides (Link) B. Boivin
Muhlenbergia racemosa ssp. violacea Scribn.
Muhlenbergia setosa var. cinnoides (Link) Fernald
Muhlenbergia setosa (Biehler) Trin. ex B.D. Jacks.
Podosemum glomeratum (Willd.) Link
Polypogon glomeratus Willd.
Polypogon setosus Biehler
Trichochloa calycina Trin.
Trichochloa glomerata (Willd.) Trin.

 Muhlenbergia glomerata.  Light brown florets.
Muhlenbergia glomerata. Light brown florets.
 Muhlenbergia glomerata.  Light brown florets with a brown caryopsis.
Muhlenbergia glomerata. Light brown florets with a brown caryopsis.
 Muhlenbergia glomerata.  Brown caryopses.
Muhlenbergia glomerata. Brown caryopses.