Moss is a fascinating plant that often goes unnoticed underfoot. There are various types of moss, each with unique characteristics and uses. Learning about moss not only improves your English vocabulary but also enhances your knowledge about nature. As you read, you’ll discover the incredible diversity of moss and how it benefits our ecosystem.
Types of Moss
What is Moss?
Bryophyte plants are divided into liverworts, hornworts, and mosses which are the group that concerns us. Mosses are bryophytic non-vascular plants. Non-vascular plants are those that do not have xylems or phloems that allow them to distribute water and nutrients through their structure.
These are small plants, which tend to spread in the form of a tablecloth along surfaces that are sometimes quite extensive. They are chlorophyll plants, with which they can carry out photosynthesis and owe their generally green color to the chlorophyll pigments.
List of Common Moss
- Moss
- Bryophyte
- Carpet
- Cushion
Different Types of Moss with Pictures
Of all bryophyte plants, only mosses account for about 70%. These, in addition to being numerous, are very varied and are also the only bryophyte plants that come to form plant masses of remarkable size in an environment. Given their great diversity, mosses are classified into 8 different types:
Bryopsida
This is by far the most abundant and representative type of mosses: 95% of all of them are included here.
Most of them are divided into acrocarpic mosses, among which are some of the most drought-resistant mosses, and pleurocarps, growing much more horizontally than the previous ones and giving rise to grass-like aspects.
Sphagnopsida
Usually called sphagnum, the members of this type are mosses that are very easy to recognize due to their particular morphology, which is very reminiscent of small succulent plants.
They are the creators and a vital component of an entirely unique ecosystem: the raised bogs.
Andreaeopsida
These mosses grow in cold climates, usually siliceous rocks. They are reddish or dark in color and form very small vegetation.
There are about 100 types of mosses of this type and they stand out for their particular capsules, with a shape reminiscent of a Chinese lantern.
Polytrichopsida
There are about 370 mosses of this class, among which are the largest mosses, such as the Dawsonia superba, which is almost 50 centimeters high.
They are mosses of great complexity in their anatomy, with specialized cells for the conduction of water and sugars.
Takakiopsida
This type of moss was not discovered until the 19th century when it was found in the Himalayan mountains. These are species with only 4 chromosomes per cell, very fragile, and with a size below 1 centimeter.
Andreaeobryopsida
They are dioecious, which means that the female and male sexual organs are found on different plants. In addition, these mosses have mushrooms that support the capsules.
Oedipodiopsida
They are formed exclusively by species Oedipodium griffithianum, a moss that can be found in the coldest parts of America and Eurasia as well as in some islands of the North Atlantic.
Tetraphidopsida
They are mosses that have a large amount of chlorophyll and are recognized by their rhizoid bases. They are very rare in the southern hemisphere, practically all being in the north.
List of Moss in English
- Cushion Moss
- Carpet Moss
- Feather Moss
- Haircap Moss
- Sheet Moss
- Tree Moss
- Rock Cap Moss
- Mood Moss
- Fern Moss
- Springy Turf Moss
- Star Moss
- Common Hair Moss
- Delicate Fern Moss
- Glow Moss
- Sidewalk Moss
- Takakia Moss
- Andreaea Moss – Granite moss
- Apple Moss
- Silver Moss
- Pincushion Moss
- Shaggy Moss
- Twisted Moss
- Creeping Feather Moss
- Pocket Moss
- Wavy-leaved Moss
- Cord Moss
- Glow-in-the-dark Moss
- Fork Moss
- Hook Moss
Classification of Moss
Mosses are fascinating small plants that often grow in damp and shady environments. In this section, we will discuss three main groups of mosses, namely Bryophyta, Marchantiophyta, and Anthocerotophyta.
Bryophyta
Bryophyta, also known as true mosses, contains more than 12,000 species. They are distributed throughout the world except in salt water and are commonly found in moist, shady locations. Some of them can carpet woodland and forest floors, adding to the beauty of the landscape. In the phylum Bryophyta, there are six classes. These include Takakiopsida, Sphagnopsida, Andreaeopsida, Andreaeobryopsida, Polytrichopsida, and Bryopsida. A few bryologists argue that the Takakiopsida and Sphagnopsida classes should be considered separate phyla due to their unique characteristics.
Marchantiophyta
The Marchantiophyta, or liverworts, are a group of bryophytes closely related to mosses, with around 9,000 species. Although they share some similarities with true mosses (Bryophyta), liverworts are not true mosses and belong to a separate plant division. They are commonly found in damp, shady environments and often have a flat, lobed, ribbon-like appearance that distinguishes them from the more leafy structure of mosses. Liverworts also reproduce differently and contain unique structures called gemmae cups, which help with asexual reproduction.
Anthocerotophyta
The Anthocerotophyta, or hornworts, are a group of bryophytes closely related to mosses and liverworts, but they are not true mosses. With around 200 species, they are the smallest group among the three major bryophyte groups. Hornworts get their name from their long, horn-shaped spore-producing structures. They also have a unique symbiotic relationship with cyanobacteria, which allows them to fix nitrogen from the atmosphere and enrich the soil in which they grow. Like mosses and liverworts, hornworts thrive in damp, shady environments.