Poa secunda

Species category

Revegetation or Rangeland, Turf, Weed

Common name

Sandberg bluegrass, big bluegrass, Sandberg's bluegrass

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

Elliptic 

Size

  • Length 3–4 mm 
  • Width 0.6–0.9 mm 
  • Thickness 0.6–0.9 mm 

Color

Brown 

Texture

Scabrous 

Lemma

Strong central, marginal and intermediate nerves

Palea

Strong teeth on margins

Other structures

No apparent webbing on lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
or base.

Identification notes

Teeth on paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
margin not of uniform length.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Poa secunda J. Presl

Synonyms

Festuca oregona Vasey
Poa ampla Merr.
Poa brachyglossa
Piper
Poa buckleyana Nash
Poa canbyi (Scribn.) Howell
Poa confusa Rydb.
Poa englishii H. St. John & Hardin
Poa gracillima Vasey
Poa gracillima Vasey var. multnomae
Poa incurva
Scribn. & T.A. Williams
Poa juncifolia Scribn.
Poa juncifolia Scribn. var. ampla (Merr.) Dorn
Poa juncifolia Scribn. var. juncifolia
Poa juncifolia
Scribn. ssp. porteri D.D. Keck
Poa laevigata Scribn.
Poa nevadensis
Vasey ex Scribn.
Poa nevadensis Vasey ex Scribn. var. juncifolia (Scribn.) Beetle
Poa orcuttiana Vasey
Poa sandbergii Vasey
Poa scabrella (Thurb.) Benth. ex Vasey
Poa secunda J. Presl var. elongata (Vasey) Dorn
Poa secunda J. Presl var. incurva (Scribn. & T.A. Williams) Beetle
Poa secunda J. Presl ssp. juncifolia (Scribn.) Soreng
Poa secunda J. Presl var. stenophylla (Vasey) Beetle
Poa secunda J. Presl ssp. secunda
Poa stenantha
Trin. var. sandbergii (Vasey) B. Boivin

 Poa secunda . Florets with no apparent webbing on the lemma or the base. 
Poa secunda. Florets with no apparent webbing on the lemma or the base.