TY - JOUR
T1 - A molecular phylogeny of Eragrostis (Poaceae: Chloridoideae: Eragrostideae)
T2 - making lovegrass monophyletic in Australia
AU - Barrett, Russell L.
AU - Peterson, Paul M.
AU - Romaschenko, Konstantin
N1 - Publisher Copyright:
© CSIRO 2020
PY - 2020/11
Y1 - 2020/11
N2 - We present a phylogeny based on four DNA molecular markers (rps16–trnK spacer, rps16 intron, rpl32–trnL spacer and ITS) concentrating on species of Eragrostis Wolf in Australia. Two Australian radiations are shown within Eragrostis, one being centred in the arid zone and one in the monsoon tropics. The genus is paraphyletic, with species of Cladoraphis Franch., Ectrosia R.Br., Harpachne Hochst. ex A.Rich., Heterachne Benth., Neeragrostis Bush, Planichloa B.K.Simon, Psammagrostis C.A.Gardner & C.E.Hubb. and Stiburus Stapf together forming a well supported clade mixed with Eragrostis species. The molecular results are consistent with recognition of an expanded Eragrostis and we make the following new combinations for Australian taxa: Eragrostis agrostoides (Benth.) R.L.Barrett & P.M.Peterson, E. anomala (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. appressa (S.T.Blake) R.L.Barrett & P.M.Peterson, E. baileyi (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. blakei (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. confusa (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. danesii (Domin) R.L.Barrett & P.M.Peterson, E. gulliveri (F.Muell.) R.L.Barrett & P.M.Peterson, E. leporina (R.Br.) R.L.Barrett & P.M.Peterson, E. nervilemma (B.K.Simon) R.L.Barrett & P.M.Peterson, E. ovata (Night.) R.L.Barrett & P.M.Peterson, E. scabrida (C.E.Hubb.) R.L. Barrett & P.M.Peterson, E. wiseana (C.A.Gardner & C.E.Hubb.) R.L.Barrett & P.M.Peterson and Sporobolus ramigerus (F.Muell.) P.M.Peterson, Romasch. & R.L.Barrett, and propose the following new names: E. divergens R.L.Barrett & P.M.Peterson, E. lilliputiana R.L.Barrett & P.M.Peterson and E. nightingaleae R.L.Barrett & P.M. Peterson. Lectotypes are designated for Ectrosia agrostoides Benth., E. anomala C.E.Hubb., E. appressa S.T.Blake, E. baileyi C.E.Hubb., E. blakei C.E.Hubb., E. confusa C.E.Hubb., E. gulliveri F.Muell., E laxa S.T.Blake, E. leporina R.Br, E. leporina var. longiglumis C.E.Hubb., E. schultzii Benth., E. schultzii var. annua C.E.Hubb., E. spadicea R.Br., Glyceria australasica Steud., Heterachne gulliveri Benth., Heterachne gulliveri var. major C.E.Hubb. Poa ramigera F.Muell. and Psammagrostis wiseana C.A.Gardner & C.E.Hubb.
AB - We present a phylogeny based on four DNA molecular markers (rps16–trnK spacer, rps16 intron, rpl32–trnL spacer and ITS) concentrating on species of Eragrostis Wolf in Australia. Two Australian radiations are shown within Eragrostis, one being centred in the arid zone and one in the monsoon tropics. The genus is paraphyletic, with species of Cladoraphis Franch., Ectrosia R.Br., Harpachne Hochst. ex A.Rich., Heterachne Benth., Neeragrostis Bush, Planichloa B.K.Simon, Psammagrostis C.A.Gardner & C.E.Hubb. and Stiburus Stapf together forming a well supported clade mixed with Eragrostis species. The molecular results are consistent with recognition of an expanded Eragrostis and we make the following new combinations for Australian taxa: Eragrostis agrostoides (Benth.) R.L.Barrett & P.M.Peterson, E. anomala (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. appressa (S.T.Blake) R.L.Barrett & P.M.Peterson, E. baileyi (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. blakei (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. confusa (C.E.Hubb.) R.L.Barrett & P.M.Peterson, E. danesii (Domin) R.L.Barrett & P.M.Peterson, E. gulliveri (F.Muell.) R.L.Barrett & P.M.Peterson, E. leporina (R.Br.) R.L.Barrett & P.M.Peterson, E. nervilemma (B.K.Simon) R.L.Barrett & P.M.Peterson, E. ovata (Night.) R.L.Barrett & P.M.Peterson, E. scabrida (C.E.Hubb.) R.L. Barrett & P.M.Peterson, E. wiseana (C.A.Gardner & C.E.Hubb.) R.L.Barrett & P.M.Peterson and Sporobolus ramigerus (F.Muell.) P.M.Peterson, Romasch. & R.L.Barrett, and propose the following new names: E. divergens R.L.Barrett & P.M.Peterson, E. lilliputiana R.L.Barrett & P.M.Peterson and E. nightingaleae R.L.Barrett & P.M. Peterson. Lectotypes are designated for Ectrosia agrostoides Benth., E. anomala C.E.Hubb., E. appressa S.T.Blake, E. baileyi C.E.Hubb., E. blakei C.E.Hubb., E. confusa C.E.Hubb., E. gulliveri F.Muell., E laxa S.T.Blake, E. leporina R.Br, E. leporina var. longiglumis C.E.Hubb., E. schultzii Benth., E. schultzii var. annua C.E.Hubb., E. spadicea R.Br., Glyceria australasica Steud., Heterachne gulliveri Benth., Heterachne gulliveri var. major C.E.Hubb. Poa ramigera F.Muell. and Psammagrostis wiseana C.A.Gardner & C.E.Hubb.
KW - New combinations
KW - Systematics
KW - Taxonomy
UR - http://www.scopus.com/inward/record.url?scp=85096475077&partnerID=8YFLogxK
U2 - 10.1071/SB19034
DO - 10.1071/SB19034
M3 - Article
SN - 1030-1887
VL - 33
SP - 458
EP - 476
JO - Australian Systematic Botany
JF - Australian Systematic Botany
IS - 5
ER -