Lolium

Contains 3 accepted taxa overall.

Characteristics
Lolium L.
POACEAE
RYEGRASS
View USF Herbarium specimens of this family
Classification
POALES
Lolium
Citation
LOLIUM Linnaeus, Sp. Pl. 83. 1753.
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TYPE: Lolium perenne Linnaeus Lectotypified by Nash, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 281. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Lolium arundinaceum TALL FESCUE Not Native FAC (NWPL)
Lolium perenne ITALIAN RYEGRASS Not Native FACU (NWPL)
Lolium temulentum DARNEL RYEGRASS Not Native
Identification Key
1.  Inflorescence paniculiform
2
1.  Inflorescence spiciform
3
2.  Leaf sheath auricles ciliate (at least 1 or 2 hairs); inflorescence branches usually 2 at the proximal node, the shorter with 1-13 spikelets, the longer with 3-19 spikelets; lemmas usually scabrous or hispidulous, unawned or with an awn up to 4 mm long
L. arundinaceum
2.  Leaf sheath auricles glabrous; inflorescence branches 1-2 at the proximal node, if 2 the shorter with 1-2(3) spikelets, the longer with 2-6(9) spikelets; lemmas usually smooth, sometimes slightly scabrous, unawned or with a mucro to 0.2 mm long
L. pratense
3.  Spikelets with 10-22 florets; lemma awns absent or to 8 mm long
L. multiflorum
3.  Spikelets with 2-10(11) florets; lemmas awns to 23 mm long, occasionally absent
4
4.  Perennial; second glume usually shorter than the floret; lemma 0.8-2 mm wide; caryopses 0.7-1.5 mm wide, 3-4.5 times longer than wide
L. perenne
4.  Annual; second glume subequal to longer than the floret; lemma 1.2-3 mm wide; caryopses 1-3 mm wide, 2-3 times longer than wide
L. temulentum
Genus Synonyms
Synonym Full Citation Basionym Type
Arthrochortus Arthrochortus Lowe, Hooker's J. Bot. Kew Gard. Misc. 8: 301. 1856. TYPE: Arthrochortus loliaceus Lowe
Bucetum Bucetum Parnell, Grasses Scotland 72. 1872. TYPE: Non designatus.
Craepalia Craepalia Schrank, Baier. Fl. 1: 102, 382. 1789. TYPE: Craepalia temulenta (Linnaeus) Schrank (Lolium temulentum Linnaeus)
Crypturus Crypturus Link, Linnaea 17: 387. 1844. TYPE: Crypturus loliaceus (Bory) Link (Rottboellia loliacea Bory)
Schedonorus Schedonorus Palisot de Beauvois, Ess. Agrostogr. 99, 177, pl. 19(2). 1812. TYPE: Schedonorus elatior (Linnaeus) Palisot de Beauvois (Festuca elatior Linnaeus) Lectotypified by Niles & Chase, Contr. U.S. Natl. Herb. 24: 193. 1925.