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
Nassella tenuissima (Trin.) Barkworth Preferred
Stipa tenuissima Trin. Other, see comments
Stipa cirrosa E. Fourn.
Stipa cirrosa E. Fourn. ex Hemsl.
Stipa geniculata Phil.
Stipa mendocina Phil.
Stipa oreophila Speg.
Stipa subulata E. Fourn.
Stipa subulata E. Fourn. ex Hemsl.
Stipa tenuissima var. oreophila (Speg.) Speg.
Stipa tenuissima var. planicola Speg.
Stipa tenuissima var. tenuissima Trin.

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Stipa tenuissima Trin. Preferred
Nassella tenuissima (Trin.) Barkworth Synonym
Stipa cirrosa E. Fourn.
Stipa tenuissima f. colorata
Stipa tenuissima f. nana
Stipa tenuissima var. oreophila
Stipa tenuissima var. planicola
Stipa oreophila Speg.
Stipa mendocina Phil.
Stipa subulata E. Fourn.
Stipa geniculata Phil.

NCBI Taxonomy

Name Relationship
Nassella tenuissima Preferred
Nassella tenuissima (Trin.) Barkworth

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