Life Plants Pteridophyta Sphenopsida Equisetaceae

Foodplants for Xylena vetusta

600x917 (~65Kb) USA: Near Puyallup (47°15'18N 122°13'45W), Pierce Co., WA, 16.7.1999, Photo © Markku Savela

600x917 (~141Kb) USA: Near Puyallup (47°15'18N 122°13'45W), Pierce Co., WA, 16.7.1999, Photo © Markku Savela

The exact identification of these species is still unknown, but tentatively assumed to belong into this group.

• Equisetum hyemale L., 1753 Winter-Schachtelhalm Rough Horsetail Kangaskorte Skavfräken Prèle d'hiver Scouring-rush

  • Equisetum hiemale; [RUNEBERG]
  • Equisetum hiemale[sic, hyemale]; ; [TSF], #60
  • Equisetum hyemale hyemale; [iNaturalist]
  • Equisetum hyemale; [TFG], 250; [RK], 41; [CoL] ; [iNaturalist] ; [POWO]

  647x1048 (~107Kb) Finland, Ylöjärvi, Ylä-Pinsiö, 29.5.2005, Photo © Harri Arkkio

  719x1047 (~50Kb) Finland, Ylöjärvi, Ylä-Pinsiö, 29.5.2005, Photo © Harri Arkkio

  • v. affine (Engelmann) Eaton, 1903

    • Equisetum affine (Engelmann) Eaton, 1903
    • Equisetum robustum v. affine Engelmann, 1844
    • Hippochaete prealta v. pseudohyemalis Farwell, 1917
    • Equisetum hiemale v. pseudohiemale (Farwell) Morton, 1952

    • Equisetum hyemale affine; [iNaturalist]
    • Equisetum hyemale v. affine; [TFG], 250
  • v. elatum (Engelmann) Morton, 1951

    • Equisetum elatum (Engelmann) Morton, 1951
    • Equisetum laevigatum ssp. elatum Engelmann, 1844
    • Equisetum robustum Braun, 1844

    • Equisetum hyemale v. elatum; [TFG], 250
    • Equisetum prealtum; Rafinesque, 1817, (missp. praealtum)
• Equisetum × ferrisii Clute, 1904 Intermediate Scouring-rush

  • Equisetum hyemale v. affine × laevigatum Hauke, 1960
  • Equisetum hyemale v. intermedium Eaton

  • Equisetum × ferrisii; [TFG], 248
  • Equisetum × ferrisii Clute, 1904;
• Equisetum hyemale × variegatum Kuusamonkorte Rauhzähniger Schachtelhalm Prèle à dents rudes Gotlandfräken

  • Equisetum × trachyodon A. Braun

  • Equisetum hyemale × variegatum; [RK], 41
  • Equisetum trachyodon; [TSF], #61
• Equisetum variegatum Schleicher ex Weber & Mohr., 1807 Variegated Horsetail Prèle panachée Kirjokorte Bunter Schachtelhalm Schleicher Schachtelhalm Variegated Scouring-rush Smalfräken

  • Equisetum tenue Spreng

  • Equisetum variegatum alaskanum; [iNaturalist]
  • Equisetum variegatum subsp. alaskanum; [CoL]
  • Equisetum variegatum subsp. variegatum; [CoL]
  • Equisetum variegatum variegatum; [iNaturalist]
  • Equisetum variegatum; [TFG], 246; [TSF], #62; [RK], 42; [CoL] ; [iNaturalist] ; [POWO]

  533x924 (~76Kb) Finland, Tuusula, Ruotsinkylä, Fira, 30.8.2003 © Harri Arkkio

  • v. jesupi Eaton, 1901

    • Equisetum jesupi (Eaton) Eaton, 1904

    • Equisetum jesupi Eaton, 1901;
    • Equisetum variegatum v. jesupi; [TFG], 246
    • Equisetum × jesupii; [CoL] ; [POWO]
  • v. nelsoni Eaton, 1904

    • Equisetum nelsoni (Eaton) Schaffner, 1926

    • Equisetum nelsoni Eaton, 1904;
    • Equisetum variegatum v. nelsoni; [TFG], 246
    • Equisetum × nelsonii; [iNaturalist]
    • Equisetum × nelsonii; [CoL] ; [POWO]
• Equisetum scirpoides Michaux, 1803 Least Scouring-rush Hentokorte Dwarf Scouring-rush Trådfräken

  • Equisetum scirpoides; [TFG], 244; [RK], 42; [CoL] ; [iNaturalist] ; [POWO]

  828x1165 (~91Kb) Finland, Kilpisjärvi, 25.7.2004, Photo © Harri Arkkio

  674x1011 (~87Kb) Finland: Suomussalmi, Vasonniemi, 5.7.2008, Photo © Harri Arkkio

• Equisetum fluviatile L., 1753 Sjöfräken Järvikorte Schlamm-Schachtelhalm Prèle des eaux courantes Water Horsetail

  • Equisetum limosum L., 1753
  • Equisetum heleocharis Ehrh.

  • Equisetum fluviatile; [TFG], 240; [TSF], #59; [RK], 42; [CoL] ; [iNaturalist] ; [POWO]

  500x717 (~34Kb) FINLAND: Ka: Virolahti, Virojoki 671:53, 31.5.1997, Photo © Markku Savela

• Equisetum palustre L., 1753 Kärrfräken Sumpf-Schachtelhalm Marsh Horsetail Suokorte Prèle des marais

  • Equisetum palustre; [TFG], 242; [TSF], #58; [RK], 43; [CoL] ; [iNaturalist] ; [POWO] ; [RUNEBERG]

  600x761 (~50Kb) FINLAND: Li: Utsjoki Ailigas, 775:50, 8.7.1997, Photo © Markku Savela Equisetum palustre det. Tapio Lahtonen	400x742 (~21Kb) FINLAND: Li: Utsjoki Ailigas, 775:50, 8.7.1997, Photo © Markku Savela Equisetum palustre det. Tapio Lahtonen	900x634 (~68Kb) FINLAND: Ks: Kuusamo, Särkiluoma, 733:62, 3.7.1997, Photo © Markku Savela Equisetum palustre det. Tapio Lahtonen
  600x952 (~109Kb) FINLAND: Ks: Kuusamo, Särkiluoma, 733:62, 3.7.1997, Photo © Markku Savela Equisetum palustre det. Tapio Lahtonen	600x911 (~65Kb) FINLAND: Li: Inari, Luttojoki, 760:54, 10.7.1998, Photo © Markku Savela Equisetum palustre det. Tapio Lahtonen

  • var. americanum Marie-Victorin, 1927

    • Equisetum americanum Marie-Victorin, 1927;
    • Equisetum palustre var. americanum; [TFG], 242
• Equisetum sylvaticum L., 1758 Sylvan Horsetail Wood Horsetail Prèle des bois Wald-Schachtelhalm Woodland Horsetail Metsäkorte Skogsfräken

  • Equisetum silvaticum[sic, sylvaticum]; [TSF], #56
  • Equisetum sylvaticum; [TFG], 238; [RK], 43; [CoL] ; [iNaturalist] ; [POWO]

  1200x813 (~140Kb) FINLAND: KiL: Muonio, Kangosjärvi, 753:35, 19.7.1997, Photo © Hannele Aulin

  600x857 (~56Kb) FINLAND: Ab: Suomusjärvi, 669:31, 25.5.1997, Photo © Markku Savela

  • v. pauciramosum Milde, 1865

    • Equisetum pauciramosum Milde, 1865;
    • Equisetum sylvaticum v. pauciramosum; [TFG], 238 (note)
  • v. multiramosum (Fernald) Wherry, 1937

    • Equisetum multiramosum (Fernald) Wherry, 1937
    • Equisetum sylvaticum v. pauciramosum f. multiramosum Fernald, 1918

    • Equisetum sylvaticum v. multiramosum; [TFG], 238 (note)
• Equisetum telmateia Ehrhart, 1783 Great Horsetail

  • Equisetum telmateia telmateia; [iNaturalist]
  • Equisetum telmateia; [CoL] ; [iNaturalist] ; [POWO]

  979x734 (~216Kb) Greece: Ipiros, path Parga - Anthousa, 7.6.2006, Photo © Harri Arkkio

  734x979 (~238Kb) Greece: Ipiros, path Parga - Anthousa, 7.6.2006, Photo © Harri Arkkio

  783x1044 (~95Kb) Greece: Ipiros, path Parga - Anthousa, 7.6.2006, Photo © Harri Arkkio

  • v. braunii Milde, 1865

    • Equisetum braunii; [CoL] ; [POWO]
    • Equisetum braunii Milde, 1865;
    • Equisetum telmateia braunii; [iNaturalist]
    • Equisetum telmateia v. braunii; [TFG], 236 (note)
• Equisetum pratense Ehrhart, 1784 Wiesen-Schachtelhalm Prèle des prés Meadow Horsetail Ängsfräken Lehtokorte

  • Equisetum pratense; [TSF], #57; [TFG], 236; [RK], 43; [CoL] ; [iNaturalist] ; [POWO]
• Equisetum arvense L., 1753 Acker-Schachtelhalm Peltokorte Åkerfräken Prèle des champs Field Horsetail

  • Equisetum arvense subsp. alpestre; [CoL]
  • Equisetum arvense subsp. arvense; [CoL]
  • Equisetum arvense subsp. diffusum; [CoL]
  • Equisetum arvense; [TFG], 234; [TSF], #54; [RK], 43; [CoL] ; [iNaturalist] ; [POWO] ; [RUNEBERG]

  673x1037 (~145Kb) Finland, Hämeenkyrö, Jumesniemi, 12.5.2005, Photo © Harri Arkkio

  1049x1467 (~146Kb) Finland, Nokia, Jaakkola, 18.5.2005, Photo © Harri Arkkio

  550x832 (~80Kb) FINLAND: Ka: Virolahti, 671:53, 17.5.1997, Photo © Markku Savela

  Foodplant for Endoclita excrescens, Gnorimoschema herbichii, Triodia sylvina

• Equisetum arvense × fluviatile Shore Horsetail Strandfräken Rantakorte

  • Equisetum × litorale; [TFG], 240; [TFG], 240
  • Equisetum × litorale Kühlewein ex Rupr.;
  • Equisetum × litorale Kühlewein, 1845;
  • Equisetum arvense × fluviatile; [RK], 43
• Equisetum maximum Lam. Riesen-Schachtelhalm Prèle géante

  • Equisetum maximum; [TSF], #55
  • Equisetum maximum Lam.;
• Equisetum ramosissimum Desf. Prèle rameuse Ästiger Schachtelhalm

  • Equisetum ramosissimum debile; [iNaturalist]
  • Equisetum ramosissimum ramosissimum; [iNaturalist]
  • Equisetum ramosissimum var. huegelii; [CoL] ; [POWO]
  • Equisetum ramosissimum var. ramosissimum; [POWO]
  • Equisetum ramosissimum; [TSF], #63; [CoL] ; [iNaturalist] ; [POWO]
  • Equisetum ramosissimum Desf.;

• Equisetum laevigatum Braun, 1844 Smooth Scouring-rush

  • Equisetum kansanum Schaffner, 1912

  • Equisetum laevigatum; [TFG], 248; [CoL] ; [iNaturalist] ; [POWO]
  • Equisetum laevigatum Braun, 1844;

29.4.2022 (12)

If you have corrections, comments or information to add into these pages, just send mail to Markku Savela
Keep in mind that the taxonomic information is copied from various sources, and may include many inaccuracies. Expert help is welcome.