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Psilotum is a genus of fern-like vascular plants.It is one of two genera in the family Psilotaceae commonly known as whisk ferns, the other being Tmesipteris.Plants in these two genera were once thought to be descended from the earliest surviving vascular plants, but more recent phylogenies place them as basal ferns, as a sister group to Ophioglossales.
The family contains two genera, Psilotum and Tmesipteris. The first genus, Psilotum , consists of small shrubby plants of the dry tropics commonly known as "whisk ferns". The other genus, Tmesipteris , is an epiphyte found in Australia , New Zealand , and New Caledonia .
Psilotum nudum, the whisk fern, [3] is a fernlike plant. Like the other species in the order Psilotales, it lacks roots. [4]Its name, Psilotum nudum, means "bare naked" in Latin, because it lacks (or seems to lack) most of the organs of typical vascular plants, as a result of evolutionary reduction.
Barley Barber is home to a pair of nesting bald eagles, American alligators, North American river otters, bobcats, white-tailed deer and numerous unique plant species, including giant leather ferns (Acrostichum danaeifolium), shoestring ferns (Vittaria lineata) and whisk ferns (Psilotum species), which are fern-like vascular plants.
Psilotum complanatum, the flatfork fern, [1] is a rare herbaceous epiphytic fern ally in the genus Psilotum. There is some evidence that it might be a true fern that has lost some typically fern-like characteristics. [ 2 ]
This plant first appeared in scientific literature in 1810 as Psilotum truncatum in the Prodromus Florae Novae Hollandiae, authored by the prolific Scottish botanist, Robert Brown. On 31 May 2024, Tmesipteris oblanceolata was reported to have been found to contain the largest known eukaryotic genome , with 160 billion base pairs , by comparison ...
The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers.They differ from mosses by being vascular, i.e., having specialized tissues that conduct water and nutrients, and in having life cycles in which the branched sporophyte is the dominant phase.
Foi Lom (Scientific name: Psilotum triquetrum Sw.) is considered as a type of lichen which grows well in a high humidity area, and it has green-white color. [4] It is usually found on the tree's branch in the forest. If Foi Lom is found in a forest, it means that air in the forest is very fresh and healthy. [4]