Sometimes taxonomists create new names for groups that already have a name. They may do this because they are unaware of the original name, or they may think the organism before them belongs to a different group when in fact it does not. If two or more names are found to apply to the same group, they are considered synonyms. In most cases, the first name takes priority and is considered to be the valid or accepted name. However, there can be exceptions, and it's not always easy to determine which of a series of synonyms should be considered valid or accepted. Here we list the synonyms provided to EOL by our classification partners. We also include other versions of the name that most likely refer to the same group, for example, misspellings in the literature or different variations of the authorship associated with the name.

Preferred marks the preferred name from each source.

Integrated Taxonomic Information System (ITIS)

Name Relationship
Lachnagrostis filiformis (G. Forst.) Trin. Preferred
Agrostis avenacea J. F. Gmel. Other, see comments
Agrostis retrofracta Willd.
Agrostis chamissonis (Trin.) Trin.
Agrostis debilis Poir.
Agrostis filiformis (G. Forst.) Spreng.
Agrostis forsteri Roem. & Schult.
Agrostis lasiantha Phil.
Agrostis leonii Parodi
Agrostis ligulata Steud.
Agrostis solandri F. Muell.
Avena filiformis G. Forst.
Calamagrostis avenacea (J.F. Gmel.) Bech.
Calamagrostis avenacea (J.F. Gmel.) W.R.B. Oliv.
Calamagrostis filiformis (G. Forst.) Cockayne
Calamagrostis retrofracta (Willd.) Link
Calamagrostis willdenowii (Trin.) Steud.
Deyeuxia filiformis (G. Forst.) Petrie
Deyeuxia forsteri Kunth
Deyeuxia retrofracta (Willd.) Kunth
Lachnagrostis avenacea (J.F. Gmel.) Veldkamp
Lachnagrostis retrofracta (Willd.) Trin.
Lachnagrostis willdenowii Trin.
Vilfa debilis (Poir.) P. Beauv.
Vilfa retrofracta (Willd.) P. Beauv.

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Agrostis avenacea J. F. Gmel. Preferred
Avena filiformis G. Forst. Synonym
Deyeuxia filiformis (G. Forst.) Petrie
Deyeuxia filiformis var. laeviglumis
Deyeuxia forsteri (Steud.) Kunth
Deyeuxia forsteri var. aristata
Deyeuxia forsteri var. laeviglumis
Deyeuxia retrofracta (Willd.) Kunth
Deyeuxia chamissonis (Trin.) Kunth
Deyeuxia filiformis var. aristata
Agrostis lasiantha Phil.
Agrostis chamissonis (Trin.) Trin.
Agrostis novae-hollandiae P. Beauv.
Agrostis avenacea var. perennis
Agrostis solandri F. Muell.
Agrostis leonii Parodi
Agrostis forsteri Rich. ex Roem. & Schult.
Agrostis filiformis (J.R.Forst.) Spreng.
Agrostis retrofracta Willd.
Agrostis ligulata Steud.
Lachnagrostis retrofracta (Willd.) Trin.
Lachnagrostis willdenowii Trin.
Lachnagrostis filiformis (J.R.Forst.) Trin.
Lachnagrostis avenacea (J.F. Gmel.) Veldkamp
Lachnagrostis chamissonis Trin.
Lachnagrostis forsteri (Roem. & Schult.) Trin.
Calamagrostis filiformis (G. Forst.) Cockayne
Calamagrostis forsteri (Roem. & Schult.) Steud.
Calamagrostis willdenowii (Trin.) Steud.
Calamagrostis chamissonis (Trin.) Steud.
Calamagrostis avenacea (J.F. Gmel.) W.R.B. Oliv.
Calamagrostis retrofracta (Willd.) Link ex Steud.
Vilfa debilis (Poir.) P. Beauv.
Vilfa retrofracta (Willd.) P. Beauv.

NCBI Taxonomy

Name Relationship
Lachnagrostis filiformis Preferred
Agrostis avenacea
Lachnagrostis filiformis (G. Forst.) Trin. Authority

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