Cyperaceae
Carex

Carex × ruedtii Kneuck.

First published in M.A.Seubert, Excurs.-Fl. Baden, ed. 5: 67 (1891)
This hybrid is accepted
The native range of this hybrid is E. Canada to NE. U.S.A., Europe. It is a perennial or rhizomatous geophyte and grows primarily in the temperate biome. The hybrid formula is C. flava × C. lepidocarpa.

Distribution

Native to:

Austria, Baltic States, Belgium, Czechoslovakia, Denmark, Finland, France, Germany, Great Britain, Italy, Netherlands, New York, Newfoundland, Northwest European Russia, Norway, Poland, Romania, Spain, Sweden, Switzerland, Vermont

Synonyms

Heterotypic Synonyms

Classification

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Publications

POWO follows these authorities in accepting this name:

  • Danihelka, J. Chrtek, J. & Kaplan, Z. (2012). Checklist of vascular plants of the Czech Republic. Preslia. Casopsi Ceské Botanické Spolecnosti 84: 647-811.
  • Gilman, A.V. (2015). New flora of Vermont. Memoirs of the New York Botanical Garden 110: 1-614.
  • Koopman, J. (2011). Carex Europaea. The Genus Carex L. (Cyperaceae) in Europe 1: 1-726. Margraf publishers,Weikersheim, Germany.
  • Stace, C.A. (1975). Hybridization and the Flora of the British Isles: 1-626. Academic Press, London, New York, San Francisco.
  • Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.
  • Więcław, H. (2014). Carex flava agg. (section Ceratocystis, Cyperaceae) in Poland: taxonomy, morphological variation and soil conditions. Biodiversity: Research and Conservation 33: 3-47.

An alternative taxonomy had been proposed by the following authorities:

  • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew. [Cited as Carex × alsatica nothosubsp. ruedtii.]

Kew Backbone Distributions

  • Danihelka, J. Chrtek, J. & Kaplan, Z. (2012). Checklist of vascular plants of the Czech Republic. Preslia. Casopsi Ceské Botanické Spolecnosti 84: 647-811.
  • Gilman, A.V. (2015). New flora of Vermont. Memoirs of the New York Botanical Garden 110: 1-614.
  • Koopman, J. (2010). Carex-hybriden in Nederland. Gorteria; Mededelingenblad ten Dienste van de Floristiek en het Vegetatie-Onderzoek van Nederland 34: 159-169.
  • Koopman, J. (2011). Carex Europaea. The Genus Carex L. (Cyperaceae) in Europe 1: 1-726. Margraf publishers,Weikersheim, Germany.
  • Meades, S.J. & Brouillet, L. (2019). Annotated Checklist of the Vascular Plants of Newfoundland and Labrador https://newfoundland-labradorflora.ca/checklist/.
  • Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
  • Stace, C.A. (1975). Hybridization and the Flora of the British Isles: 1-626. Academic Press, London, New York, San Francisco.
  • Werier, D. (2017). Catalogue of the Vascular plants of New York state. Memoirs of the Torrey Botanical Club 27: 1-542. New York Botanical Garden.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
Rouleau, J.A.E. [1211] Canada Carex × pieperiana K002560353 Yes
Rouleau, J.A.E. [1210] Canada Carex × pieperiana K002560352 Yes

Sources

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0