Does anyone know two organisms that belong to the Lycopodiophyta phylum of the Plantae kingdom?

Answer 1

The Division Lycopodiophyta (sometimes called Lycophyta) is a tracheophyte subdivision of the Kingdom Plantae.

It is the oldest extant (living) vascular plant division at around 420 million years old, and includes some of the most "primitive" extant species.

These species reproduce by shedding spores and have macroscopic alternation of generations, although some are homosporous while others are heterosporous.

They differ from all other vascular plants in having microphylls, leaves that have only a single vascular trace (vein) rather than the much more complex megaphylls found in ferns and seed plants.

There are around 1,200 living species divided into three main groups within the Lycopodiophyta, sometimes separated at the level of order and sometimes at the level of class. These are subdivided at the class level here:

Class Lycopodiopsida – clubmosses and firmosses
Click the link below for Lycopodium clavatum ( club moss)
http://www.hlasek.com/foto/lycopodium_clavatum_a5774.jpg

Fir moss
http://nefern.info/jpgs/HupApp2.jpg

Class Selaginellopsida – spikemosses
Selaginella-
http://ispb.univ-lyon1.fr/cours/botanique/photos_pter_presp_chla/Selaginella%20involvens.jpg


Class Isoetopsida – quillworts
Isoetes-
http://www.hlasek.com/foto/isoetes_lacustris_10574.jpg

Answer 2

I know three extant genera: Lycopodium, Selaginella, and Isoetes.

Lycopodium is commonly called clubmosses because of their club-shaped reproductive cones termed strobili (sing. strobilus). The strobilus is an aggregate of sporophylls which hold homospores. The condition is called homospory, and the consequence is a monoecious gametophyte.
They were the first to have true roots, and their leaves are rather not leaves because they are single-veined and has only one strand of vascular tissue, thus the term, microphylls (in extinct species are called lycophylls). The stems branch dichotomously, have no leaf gaps, and the microphylls are isomicrophyllous, showing no leaf dimorphism.

Selaginella, commonly called small club moss, spike moss and ressurection plant also has true roots and club shaped strobili at the terminal portion of the plant. The stem also branches dichotomously like Lycopodium, but it has the presence of leaf gaps. True roots also exist in this genera, but are borne on a root bearing structure called rhizophore, a white cylindrical structure. Microphylls show leaf dimorphism- four-ranked having outer lateral leaves and smaller inner leaves with ligules on the undersurface. The ligules are hygroscopic.
The most notable difference of Selaginella from Lycopodium is that they are heterosporous, and the consequence is a dioecious gametophyte.

Both Lycopodium and Selaginella have aerial photosynthetic stems.

Not much to say about Isoetes. They are commonly called quillworts because of their quill-like leaves. The underground stems are corms. Like Selaginella, are heterosporous and grow inward (endogenous). They are also classsified as Lycopodiophytes because of the club-shaped strobili and single-veined leaves with one strand of vascular tissue.

Hope I cited everything you need to know. Thanks.

Answer 3

These are the club mosses. Just go to any search engine and type in the phylum name and you will find plenty of examples.

Answer 4

This link shows the different classifications of plants http://scidiv.bcc.ctc.edu/rkr/Biology203/lectures/pdfs/PlantKingdom203.pdf

Answer 5

club mosses and quillworts. that is what i found at the source given below.

Answer 6

Check this link out:

http://www.csus.edu/indiv/r/reihmanm/B12wlwk705.htm

Answer 7

Have you checked out this web site?
http://www.science.siu.edu/landplants/Lycophyta/lycophyta.html

Answer 8

Use your search engines

http://botit.botany.wisc.edu/courses/Systematics/Phyla/Lycophyta/Lycophyta.html

Answer 9

Algae and seaweed.IE-Lichen.

Answer 10

Google your questions, hon.....