The container pore plants (Pteridophyta) or fern-well-behaved plants form the two over departments of the container plants (Tracheobionta) together with the seed plants (Spermatophyta). Characteristic characteristic for this group of plants is the reproduction by Sporen.

Characteristics

With the reproduction by Sporen a dimorpher change of generations so mentioned arises, in which from the Sporen first a pro thallium of Gametophyt mentioned develops.

This haploide Gametophyt is generally few millimeters large, Lebermoos well-behaved plant they forms either on one or on different Gametophyten Archegonien and Antheridien, in which the Eizelle and the Spermatozoiden develop as female and male germ cells. In presence of water ""then the Spermatozoid swims to the Eizelle with following fertilize from the fertilized Eizelle (Zygote) develops then the diploide Sporophyt, the large, dominant factor, in Sporangien Sporen basic plant.

Some of these plants have homogeneous Sporen (Homosporie), others have macro pores (from those only female Gametophyten to develop) and micro pores (from those only male Gametophyten to develop) (Heterosporie).

The containers (guidance bundles) of the container pore plants are called Tracheiden; they differ from the tracheae of the bloom plants (Magnoliophyta).

Systematics

Today this over department is often divided into four departments by rezenten plants. Besides become extinct plants are well-known by fossils. These are assigned three further groups.

The departments of the container pore plants

Departments with orders:

Rhyniatae (only fossil admits, first land plant Rhynia from the age Silur)

Zosterophyllatae "† (only fossil admits)

Trimerophytatae "† (only fossil admits)

Department of Urfarne (Psilophyta)

Department of (Lycopodiophyta)

Subclass Lycopodiidae

Order Lycopodiales

(Lycopodiaceae)

Subclass Sellaginellidae

Order Selaginellales

Family of MOO fern plants (Selaginellaceae)

Subclass Isoetidae

Order

Family (Isotaceae)

Order Lepidodendrales "† (become extinct)

Department of box stems (Equisetophyta)

Order Hyeniales "† (become extinct)

Order Sphenophyllales "† (become extinct)

Order Calamitales "† (become extinct)

Order Equisetales

Family of box stem plants (Equisetaceae)

Department of ferns (Polypodiophyta)

Subclass Marattiidae

Order Marattiales

Ophioglossidae

Order Ophioglossales

Subclass Polypodiidae

Order Osmundales

Order Hymenophyllales

Order Gleicheniales

Order Schizaeales

Order Dicksoniales

Order Cyatheales

Order Marsiliales

Order Salviniales

Order Pteridales

Order Blechnales

Order Davalliales

Order Polypodiales

See also: Systematics of the Pflanzenreiches

Related links

• Fossil container pore plants in the mineral Atlas WiKi
• Discussion to systematics (on English)
• All ferns and used (on English)
• Systematics used here (reference with de.wikipedia)

Articles in category "Container pore plants"

We found here 54 articles.