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Plant organisms

This document describes various plant organisms, including the common liverwort Marchantia polymorpha, the whisk fern Psilotum nudum, and the resurrection plant Selaginella lepidophylla. It also mentions the horsetail Equisetum hyemale, club moss Lycopodium clavatum, sago palm Cycas rumphii, ginkgo tree Ginkgo biloba, juniper shrub Juniperus communis, spike moss Selaginella apoda, and rare Wollemi pine Wollemia nobilis. These plants represent different phyla and have diverse morphological features and ecological distributions.

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Plant Organisms
Marchantia polymorpha  Known as the common liverwort.  It is large and widely distributed, wi th species all over the world.
Psilotum nudum  This is an up- close view of a whisk fern, a primitive vascular plant bearing 3- lobed sporangia. Organisms such as this were abundant 300 million years ago.
Selaginella lepidophylla  Called the Resurrection Plant, this plant can turn from a dried up ball into a leafy green plant overnight by soaking in water. It is native to Arizona and Texas.
Equisetum hyemale  This horsetail is a primitive vascular plant.  It is also called a scouring rush because the stems used to be used to clean pots and pans.
Lycopodium clavatum  A club moss native to Oregon.  It has only one kind of spore, a condition termed homosporous
Cycas rumphii  Commonly known as Queen Sago.  It is a small tree that grows about 10 m in height.  It is part of a species comples.
Ginkgo biloba  Common name: Maidenhair tree  This is the only species of the Phylum Ginkgophyta.  It is a large tree that has deciduous fanlike leaves.  It is popular in cities for it tolerates pollution well.
Gnetum gnemon  Common name is often melinjo.  It is native to the Pacific Northwest  It is a small to medium sized tree.
Juniperus communis  This conifer is known as the common juniper.  Its berries are actually ovule- producing cones consisting of fleshy sporophylls.
Selaginella apoda  This lycophyte is a spike moss that is commonly known as meadow-spike moss.  It is found primarily in damp soils and it is mainly a lowland plant.  The plant was originally described by Carl Linnaeus himself.
Equisetum arvense  This pterophyte known as the common horsetail.  With jointed stems, rings of small leaves at the joints, and the stem being the main photosynthetic center, this species is the epitomy of an arthrophyte.
Plagiochila deltoidea  This is a leafy liverwort that lives on wet ground.  It can get up to 60 mm long.
Anthoceros agrestis  Commonly called a field hornwort.  This species of Anthocerophyta is known fro containing acids like cinnamic acid 4-hydroxylase.
Psilotum nudum  This is whisk fern of the phylum pterophyta commonly called Skeleton Fork Fern.  It has no roots.  It is considered a primitive plant, possibly a descendent of the first vascular plants.
Wollemia nobilis  An evergreen tree known commonly as the Wallemi pine. It is a survivor of a conifer group once known only from fossils.  It was discovered in 1994 in a national park in Sydney, Australia.  It consists of merely 40 known individuals.