• Thumbnail for Equisetidae
    Equisetidae is one of the four subclasses of Polypodiopsida (ferns), a group of vascular plants with a fossil record going back to the Devonian. They...
    16 KB (1,547 words) - 21:59, 16 September 2024
  • Thumbnail for Fern
    and the ferns, keeping the term monilophytes, into five subclasses, Equisetidae, Ophioglossidae, Psilotidae, Marattiidae and Polypodiidae, by dividing...
    61 KB (5,945 words) - 22:59, 11 March 2025
  • tail of a horse Equisetidae, a subclass of living and extinct plants known as horsetails Equisetales, the single extant order of Equisetidae Equisetaceae...
    815 bytes (138 words) - 09:19, 4 January 2022
  • Thumbnail for Equisetum
    Equisetum is a "living fossil", the only living genus of the entire subclass Equisetidae, which for over 100 million years was much more diverse and dominated...
    41 KB (3,601 words) - 07:53, 20 March 2025
  • Thumbnail for Equisetales
    Equisetales is an order of subclass Equisetidae with only one living family, Equisetaceae, containing the genus Equisetum (horsetails), as well as a variety...
    6 KB (426 words) - 12:18, 7 May 2024
  • Thumbnail for Equisetum arvense
    horsetail or common horsetail, is an herbaceous perennial plant in the Equisetidae (horsetails) sub-class, native throughout the arctic and temperate regions...
    18 KB (1,814 words) - 22:25, 21 February 2025
  • Thumbnail for Pteridophyte
    orders, 21 families, approx. 212 genera, approx. 10,535 species Subclass Equisetidae Warm. Subclass Ophioglossidae Klinge Subclass Marattiidae Klinge Subclass...
    18 KB (1,771 words) - 08:04, 11 March 2025
  • Thumbnail for Pseudobornia
    discovered in Alaska in the 1960s. The probable relationships within Equisetidae are shown in the cladogram below. The position where Ibyka would be has...
    3 KB (189 words) - 15:37, 2 May 2024
  • Thumbnail for Shemshak Group
    The Shemshak Formation is a Mesozoic geologic group in Iran. It is dated to the Norian to the Late Jurassic and is up to 4,000 meters thick and primarily...
    17 KB (1,406 words) - 12:56, 27 March 2025
  • Thumbnail for Equisetum palustre
    perennial herbaceous pteridophyte belonging to the subclass of horsetails (Equisetidae). It is widespread in cooler regions of Eurasia and North America. Equisetum...
    8 KB (619 words) - 02:38, 30 January 2025
  • Thumbnail for Equisetum giganteum
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Subgenus: E...
    4 KB (360 words) - 09:42, 25 September 2024
  • Thumbnail for Azolla
    †Stauropteridaceae †Zygopterididae †Rhacophytales †Rhacophytaceae †Zygopteridales †Zygopteridaceae Equisetidae Ophioglossidae Marattiidae Polypodiidae...
    27 KB (2,717 words) - 03:03, 10 January 2025
  • Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Species: E. ramosissimum...
    4 KB (371 words) - 20:31, 14 March 2024
  • Thumbnail for Pinales
    Equisetopsida sensu stricto when used as a class of ferns, synonymous with Equisetidae Gorozhankin 1904. Christenhusz et al 2011. Eckenwalder 2008. Gernandt...
    30 KB (2,734 words) - 19:16, 4 February 2025
  • Thumbnail for Calamites
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: †Calamitaceae Genus: †Calamites Species Calamites...
    9 KB (858 words) - 22:08, 21 March 2025
  • Thumbnail for Sphenophyllales
    typified by the genus Sphenophyllum. The probable relationships within Equisetidae are shown in the cladogram below. The possible position of Ibyka has...
    6 KB (459 words) - 15:37, 2 May 2024
  • Thumbnail for Paleobiota of the Ciechocinek Formation
    The Ciechocinek Formation is a Jurassic (lower to middle Toarcian) geologic formation which extends across the Baltic coast from Grimmen, Germany, to Nida...
    223 KB (5,792 words) - 07:12, 16 March 2025
  • Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Species: †E...
    5 KB (614 words) - 12:02, 25 March 2025
  • Thumbnail for Sphenophyllum
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: †Sphenophyllales Family: †Sphenophyllaceae Genus: †Sphenophyllum...
    10 KB (522 words) - 17:57, 24 February 2024
  • Thumbnail for Equisetum myriochaetum
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Subgenus: E...
    3 KB (253 words) - 23:19, 16 September 2024
  • Thumbnail for Archaeocalamitaceae
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: †Archaeocalamitaceae Koidz. Genera †Archaeocalamites...
    3 KB (225 words) - 03:52, 2 November 2024
  • Thumbnail for Fern ally
    quillworts and scale trees Class Polypodiopsida, true ferns Subclass Equisetidae, horsetails and scouring-rushes Subclass Ophioglossidae, whisk ferns...
    5 KB (568 words) - 23:01, 10 February 2023
  • Thumbnail for Equisetum telmateia
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Subgenus: E...
    6 KB (677 words) - 19:42, 17 September 2024
  • Thumbnail for Equisetum hyemale
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Subgenus: E...
    7 KB (680 words) - 23:00, 11 February 2025
  • Thumbnail for Pinidae
    Equisetidae...
    2 KB (160 words) - 18:59, 22 March 2024
  • †Zygopterididae Order †Rhacophytales Order †Zygopteridales Subclass Equisetidae Order †Pseudoborniales Order †Sphenophyllales Order Equisetales (Horsetails;...
    18 KB (1,243 words) - 14:03, 18 September 2024
  • Thumbnail for Equisetites
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: †Equisetites Sternberg...
    12 KB (919 words) - 19:18, 22 March 2024
  • Thumbnail for Dicksonia
    †Stauropteridaceae †Zygopterididae †Rhacophytales †Rhacophytaceae †Zygopteridales †Zygopteridaceae Equisetidae Ophioglossidae Marattiidae Polypodiidae...
    10 KB (333 words) - 02:42, 5 July 2024
  • Thumbnail for Equisetum ramosissimum
    Tracheophytes Division: Polypodiophyta Class: Polypodiopsida Subclass: Equisetidae Order: Equisetales Family: Equisetaceae Genus: Equisetum Subgenus: E...
    4 KB (331 words) - 09:51, 13 September 2024
  • Thumbnail for Nephrolepis
    †Stauropteridaceae †Zygopterididae †Rhacophytales †Rhacophytaceae †Zygopteridales †Zygopteridaceae Equisetidae Ophioglossidae Marattiidae Polypodiidae...
    8 KB (514 words) - 19:56, 18 March 2025