Velvet Bentgrass: Agrostis canina
Colonial Bentgrass: Agrostis capillaris (Synonyms: Agrostis alba var. vulgaris, Agrostis sylvatica, Agrostis tenuis, Agrostis tenuis var. aristata, Agrostis tenuis var. hispida, Agrostis tenuis var. pumila, Agrostis tenuis var. tenuis) -
Highland Bentgrass, Dryland Browntop: Agrostis castellana -
California Bent: Agrostis densiflora (Synonym: Agrostis californica) -
Spike Bentgrass, Spike Redtop: Agrostis exarata (Synonyms: Agrostis aenea, Agrostis alaskana, Agrostis ampla, Agrostis asperifolia, Agrostis exarata, Agrostis exarata ssp. exarata, Agrostis exarata ssp. minor, Agrostis exarata var. ampla, Agrostis exarata var. exarata, Agrostis exarata var. minor, Agrostis exarata var. monolepis, Agrostis exarata var. pacifica, Agrostis exarata var. purpurascens, Agrostis longiligula, Agrostis longiligula var. australis, Agrostis longiligula var. longiligula, Agrostis melaleuca, Agrostis microphylla var. major) -
Hybrid Bentgrass: Agrostis exarata x Agrostis pallens (Synonym: Agrostis diegoensis x Agrostis exarata) -
Redtop, Black Bentgrass: Agrostis gigantea (Synonyms: Agrostis alba, Agrostis alba var. alba, Agrostis gigantea var. dispar, Agrostis nigra, Agrostis stolonifera ssp. gigantea, Agrostis stolonifera var. major) -
Hall's Bentgrass: Agrostis hallii (Synonyms: Agrostis hallii var. hallii, Agrostis hallii var. pringlei) -
Hybrid Bentgrass: Agrostis hallii x Agrostis pallens
Henderson's Bentgrass: Agrostis hendersonii
Idaho Bentgrass, Idaho Redtop: Agrostis idahoensis (Synonym: Agrostis idahoensis var. idahoensis) -
Awned Spike Bentgrass, Small-leaved Bent: Agrostis microphylla (Synonyms: Agrostis inflata, Agrostis microphylla var. microphylla) -
Oregon Bentgrass: Agrostis oregonensis -
Dune Bentgrass, Seashore Bentgrass: Agrostis pallens (Synonyms: Agrostis diegoensis, Agrostis foliosa, Agrostis lepida, Agrostis pallens var. foliosa, Agrostis pallens var. vaseyi) -
Rough Bentgrass, Ticklegrass, Winter Bentgrass: Agrostis scabra (Synonyms: Agrostis geminata, Agrostis hyemalis, Agrostis hyemalis var. geminata, Agrostis hyemalis var. hyemalis, Agrostis hyemalis var. scabra, Agrostis hyemalis var. tenuis, Agrosis scabra ssp. septentrionalis, Agrostis scabra var. geminata, Agrostis scabra var. scabra, Agrostis scabra var. septentrionalis) -
Murbeck's Bentgrass: Agrostis xmurbeckii (Synonyms: Agrostis capillaris x Agrostis stolonifera, Agrostis stolonifera x Agrostis tenuis) -
Creeping Bentgrass, Spreading Bentgrass: Agrostis stolonifera (Synonyms: Agrostis alba, Agrostis alba var. alba, Agrostis alba var. maritima, Agrostis alba var. palustris, Agrostis alba var. stolonifera, Agrostis depressa, Agrostis maritima, Agrostis palustris, Agrostis stolonifera var. compacta, Agrostis stolonifera var. palustris, Agrostis stolonifera var. stolonifera) -
Alpine Bentgrass, Thurber's Bentgrass, Thurber's Redtop: Podagrostis thurberiana (Synonyms: Agrostis humilis, Agrostis thurberiana, Podagrostis humilis) -
Mountain Bentgrass, Variant Bentgrass: Agrostis variabilis (Synonyms: Agrostis rossae, Agrostis rossiae)