Contains 7 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 altissima | Coastal Bog Bentgrass | |||
| Agrostis capillaris | Rhode Island Bentgrass, Colonial Bentgrass, Browntop | |||
| Agrostis elliottiana | Elliott's Bentgrass, Southern Bentgrass | |||
| Agrostis gigantea | Redtop, Black Bentgrass | |||
| Agrostis hyemalis | Ticklegrass, Small Bentgrass, Hairgrass | |||
| Agrostis perennans | Upland Bent, Autumn Bentgrass | |||
| Agrostis stolonifera | Creeping Bentgrass |
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 |
|---|---|---|---|
| No synonyms found. | |||