Vascular Plant


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Vascular Plant

 

a plant whose organs contain vessels or tracheids, which conduct water and dissolved mineral salts, and sieve tubes, which conduct organic matter. Vascular plants include the Psilotophyta, Lycopodiophyta, Equisetopsida, Pterido-phyta, Gymnospermae, and Angiospermae, that is, all higher plants except mosses and liverworts. In these exceptions, the overall reduction of the sporophyte is also reflected in the disappearance of the conducting system typical of higher plants. In certain older plant classifications, a special taxonomic group of cryptogamic vascular plants was distinguished; it included the Psilotophyta, Lycopodiophyta, Equisetopsida, and Pteridophyta.

References in periodicals archive ?
Vascular plant and bryophyte flora in mid-term hybrid aspen plantations on abandoned agricultural land.
A total of 1441 indigenous species of vascular plants have been described from Estonia (Kukk, 1999), the number of alien vascular plant species known in Estonia is 787 (Oopik et al., 2008).
Fifteen teams (14 taxonomic teams and a biogeochemistry team) surveyed the flora and fauna of ponds, marshes, fields and forest of the ~8,000 acre site and reported 896 taxa: 862 species [20 amphibians and reptiles, 37 bees, 73 beetles, 122 birds, 48 butterflies, nine damselflies, 21 dragonflies, 39 species of fish, four freshwater mussels, five fungi and allies, 27 mammals, 74 moths, four snail-killing flies, 379 vascular plants), 16 families of aquatic macroinvertebrates, and 18 genera of plankton.
Ongoing climate change impacts on the high-elevation flora of Sierra Nevada are expected to continue in the view of model predictions of further warming and decreasing precipitation (FERNANDEZ GONZALEZ & al., 2005, Christensen & al., 2007) and are worrisome insofar as a large proportion of the vascular plant flora is highly endemic and restricted to the uppermost elevation zone.
We suggest that defined vascular plant assemblages (communities) (Faber-Langendoen, 2001) are a strong candidate for an insect-inclusive surrogate.
It can be noted that the total dose rate value of vascular plants compared with that of other reference organisms is the largest and reaches 4.18 [mu]Gy [h.sup.-1] (Fig.
Only 59 vascular plant species were found during this study (9 trips over a two year period) compared to 65 recorded by Kilburn and Ford (1963).
* Identify the differences between a non-seed bearing vascular plant and seed bearing vascular plant
"Carnations are vascular plants. They have tubes inside of them that carry water from the roots and deliver it to other parts of the plant.
Although as of 1995 only sixty-nine of ninety-five rare plant families listed in the Atlas had been entered in the database for the province, the database records nevertheless highlighted the importance of the southwestern corner of the province--the Carolinian zone--for rare vascular plant species.
WWF said in a statement that the 1,800 square kilometer Tesso Nilo forest, located in Sumatra's Riau province, was found by WWF scientists to contain 218 vascular plant species in just one single 200 square meter plot.