Isoetes - Wikipedia
WEBIsoetes, commonly known as the quillworts, is a genus of lycopod. It is the only living genus in the family Isoetaceae and order Isoetales. There are currently 192 recognized species, [1] with a cosmopolitan distribution mostly in aquatic habitats but with the individual species often scarce to rare.
Quillwort | Description, Taxonomy, Species, & Facts | Britannica
WEBQuillworts are the only extant members of the order and are usually placed in a single genus, Isoetes (also spelled Isoëtes). The plants are aquatic or semi-aquatic, and most are native to swampy, cooler parts of North America …
Isoetes: The Quillworts
WEBNov 3, 2021 · From arctic lakes to tropical forests, quillworts (the ~200 species of Isoetes) grow all over the world, though few people have the keen eye to see them. Once touted as one of the most understudied plant groups, quillworts have received lots of new attention, and there is now ongoing research to understand the evolution, genomics, and ...
Isoetes: Structure and Reproduction - Biology Discussion
WEBIsoetes is commonly called ‘Quill wort’ due to the quill (a large feather)-like structure of the leaves. The plant body consists of a condensed, lobed corm or axis that bears a tuft of roots at the base and long feathery leaves on the top.
Isoetales - Wikipedia
WEBIsoetales, sometimes also written Isoëtales, is an order of plants in the class Lycopodiopsida. There are about 140-150 living species, all of which are classified in the genus Isoetes (quillworts), with a cosmopolitan distribution, but often scarce to rare.
Isoetes - Basic Biology
WEBMay 31, 2015 · Isoetes is a genus of plants that almost make up the entire group of plants called quillworts. They are one of the most primitive groups of vascular plants that currently exist on Earth. They form a unique class of lycophytes with roughly 150 species still living today, although many species are now endangered.
Isoetes lacustris — lake quillwort - Go Botany
WEBLake quillwort grows, often completely submerged, in cold clear water of lakes and slow-moving streams, sometimes more than 10 feet (3 meters) below the water's surface.
Isoetes - an overview | ScienceDirect Topics
WEBIsoetes is characterized by a short, squat stem (usually less than a few centimeters long) that produces helically arranged, monarch roots from the lower surface and elongated, ligulate leaves in a dense rosette from the upper portion. Both micro- and megasporangia are produced on the same plant.
Phylogeny of Merlin’s grass (Isoetaceae): revealing an
WEBMar 16, 2022 · Merlin’s grass (Isoetes, Isoetaceae, Lycopsida), is the extant remnant of the isoetalean wood-producing lycopsids that originated during the Paleozoic, possibly in aquatic or boggy habitats. Modern day species are aquatic, semi-aquatic or terrestrial and occur almost worldwide.
Isoëtes - FNA
WEBCommon names: Quillwort isoète. Etymology: Greek isos, equal, and etos, year, referring to evergreen habit of some species. Treatment appears in FNA Volume 2. Rootstock 2 (–3)-lobed, nearly globose to horizontally spindle-shaped and proliferous, corky.
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