Contains 5 accepted taxa overall.
Characteristics
Classification
Citation
AGROSTIS Linnaeus, Sp. Pl. 61. 1753, nom. cons.
-
TYPE: Agrostis canina Linnaeus, typ. cons.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Agrostis elliottiana | ELLIOTT'S BENTGRASS | Native FACU (NWPL) | ||
| Agrostis hyemalis | TICKLEGRASS; SPRING BENTGRASS | Native FAC (NWPL) | ||
| Agrostis perennans | AUTUMN BENTGRASS | Native FACU (NWPL) | ||
| Agrostis scabra | TICKLEGRASS | Native FAC (NWPL) | ||
| Agrostis stolonifera | REDTOP | Not Native FAC (NWPL) FACW (DEP) |
Identification Key
1. Stoloniferous; palea 0.7-1.4 mm long
1. Cespitose; palea absent or to 0.2 mm long
2
2. Lemma usually with a subapical flexuous awn 3-10 mm long; callus hairs to 0.6 mm long, dense; anther 1
2. Lemma unawned or with a straight or geniculate awn to 3 mm long arising from near the middle of the lemma; anthers 3
3
3. Leaf blades 2-5 mm wide, flat; pedicels to 7.3 mm long; lemmas 1.3-2.2 mm long; callus hairs abundant, to 0.3 mm long; flowering Sep-Oct
3. Leaf blades 0.5-2 mm wide, usually involute; pedicels to 9.6 mm long; lemmas 0.8-2 mm long; callus hairs sparse, to 0.2 mm long; flowering Mar-Sep
4
4. Pedicels to 3.5 mm long, spikelets appearing clustered; lemmas 0.8-1.2 mm long, exceeding the ripe caryopses by no more than 0.2 mm; anthers 0.2-0.5 mm long; flowering Apr-Jul
4. Pedicels to 9.6 mm long, spikelets not appearing clustered; lemmas 1.4-2 mm long, exceeding the ripe caryopses by 0.3+ mm; anthers 0.4-0.8 mm long; flowering Mar-Sep
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Agraulus | Agraulus Palisot de Beauvois, Ess. Agrostogr. 5, 146, pl. 4(7). 1812. | TYPE: Agraulus caninus (Linnaeus) Palisot de Beauvois (Agrostis canina Linnaeus) Lectotypified by Hitchcock, U.S.D.A. Bull. (1915-1923) 772: 127. 1920. = Agrostis Linnaeus 1753, by lectotypification. | |
| Agrestis | Agrestis Bubani, Fl. Pyrenaea 4: 281. 1901. | TYPE: = Agrostis Linnaeus 1753. Proposed as a substitute name for Agrostis Linnaeus. | |
| Anomalotis | Anomalotis Steudel, Syn. Pl. Glumac. 1: 198. 1854. | TYPE: Anomalotis quinqueseta Steudel | |
| Decandolia | Decandolia Bastard, Essai Fl. Maine et Loire 15, 28. 1809. | TYPE: Decandolia stolonifera (Linnaeus) Bastard (Agrostis stolonifera Linnaeus) Lectotypified by Hitchcock, in Britton, N. Amer. Fl. 17: 515. 1937. | |
| Neoschischkinia | Neoschischkinia Tzvelev, Bot. Zhurn. (Moscow & Leningrad) 53: 309. 1968. | TYPE: Neoschischkinia elegans (Thore) Tzvelev (Agrostis elegans Thore) | |
| Notonema | Notonema Rafinesque, Neogenyton 4. 1825. | TYPE: Agrostis arachnoides Elliott | |
| Pentatherum | Pentatherum Nábelek, Spisy Prir. Fak. Masarykovy Univ. 111: 8. 1929. | TYPE: Pentatherum olympicum (Boissier) Nábelek (Calamagrostis olympica Boissier) | |
| Senisetum | Senisetum Honda, Bot. Mag. (Tokyo) 46: 371. 1932. | TYPE: Senisetum hideoi (Ohwi) Honda (Agrostis hideoi Ohwi) | |
| Trichodium | Trichodium Michaux, Fl. Bor.-Amer. 1: 41. 1803. | TYPE: Trichodium laxiflorum Michaux, nom. illegit. (Cornucopiae hyemalis Walter) Lectotypified by Hitchcock, U.S.D.A. Bull. (1915-1923) 772: 127. 1920. | |
| Vilfa | Vilfa Adanson, Fam. Pl. 2: 495, 618. 1763. | TYPE: = Agrostis Linnaeus 1753. |