An oxylophyte is a plant adapted to acid soils eg. purple saxifrage
Psychrotrophs are cold-tolerant bacteria or archaea that have the ability to grow at low Psychrophiles and psychrotrophs are cold-loving extremophiles ,
a plant that thrives in shifting sands, primarily in deserts.
Psammophytes are marked by a number of adaptations that enable them to
exist on wind-blown sands. In such an environment, the plants are often
covered with sand, or their root system is exposed.
Psammophytes consists of golden algae and diatoms. They can be
found in freshwater and also in aquatic environments. Chrysophytes are
microscopic as well as drift passively within water currents. A lot of
them are usually photosynthetic
The Chromista are a eukaryotic super group, probably polyphyletic, which
may be treated as a separate kingdom or included among the Protists.
Psilophytes - the first land plants, the ancestors of vascular
plants that existed 400 million years ago and became extinct by the
beginning of the Carboniferous period.
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