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.

Tropicos resource

Name Relationship
Juncus effusus L. Preferred
Juncus bogotensis Kunth Synonym
Juncus bogotensis var. solutus (Fernald & Wiegand) Farw.
Juncus communis E. Mey.
Juncus communis var. effusus (L.) Meyer
Juncus effusus subsp. effusus
Juncus effusus subsp. solutus (Fernald & Wiegand) Hämet-Ahti
Juncus effusus var. brunneus Engelm.
Juncus effusus var. caeruleomontanus H.St.John
Juncus effusus var. costulatus Fernald
Juncus effusus var. decipiens Buchenau
Juncus effusus var. exiguus Fernald & Wiegand
Juncus effusus var. gracilis Hook.
Juncus effusus var. pacificus Fernald & Wiegand
Juncus effusus var. pylaei (Laharpe) Fernald & Wiegand
Juncus effusus var. solutus Fernald & Wiegand
Juncus effusus var. subglomeratus Lam. & DC.
Juncus griscomii Fernald
Juncus mauritianus Bojer
Juncus pylaei Laharpe

IUCN Red List

Name Relationship
Juncus effusus L. Preferred
Juncus canariensis Willd.
Juncus communis E. Mey.
Juncus expansus Jan
Juncus fistulosus Guss.
Juncus pylaei Laharpe

Species 2000 & ITIS Catalogue of Life: April 2013

Name Relationship
Juncus effusus L. Preferred
Juncus effusus var. macranthelus K.Koch
Juncus communis E. Mey.
Juncus laevis Wallr.
Juncus laevis var. effusus (L.) Wallr.
Juncus conglomeratus var. effusus (L.) Kostel.
Juncus communis subsp. effusus (L.) Celak

India Biodiversity Portal Species Data

Name Relationship
Juncus effusus L. Preferred
Juncus canariensis Willd.Juncus communis E.Mey.Juncus expansus JanJuncus fistulosus Guss.Juncus pylaei Laharpe

NCBI Taxonomy

Name Relationship
Juncus effusus Preferred
Juncus effusus L. Authority

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