Bryophytes Theme leaflet

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What Are Bryophytes?

Bryophytes are so-called ‘lower’ plants: the mosses and the liverworts. ( e ‘higher’ plants are the owers, herbs, grasses, and trees.) Bryophytes are photoautotrophs: they capture sunlight, carbon dioxide, water and some dissolved minerals, and build and power themselves using these simple inorganic chemicals to make life – that’s all they need! ey are therefore often early colonisers of bare rock and tree trunks. Bryophytes evolved well before dinosaurs roamed our planet and are spectacularly successful in their niche. Mosses and Liverworts look similar, but evolved separately from common (algal) ancestors. Bryophytes don’t have roots or transport vessels, so cannot sustain themselves in permanently dry places. Hence, they are most abundant in cool, high-humidity places – for example, temperate rainforests – where they carpet rocks and trees, creating a magical world of colour and texture.

Looking at Bryophytes

You don’t need to name bryophytes to enjoy them. ey are small, and very beautiful, with a wonderful range of leaf shapes and many stunning colours. ere are some common species which are relatively easy to identify once you know what to look for. ere are also many rare and interesting species once you become engaged, and start looking. A starting point is to recognise the four main bryophyte groups. Mosses are grouped into those with a single erect stem (the acrocarps), and those with branches (the pleurocarps). Liverworts group into those with leaves (the leafy liverworts) and those with only a strap-like structure (the thalloid liverworts).

Bryophytes Tell Stories

Mosses and especially liverworts thrive best in shady, damp places. Certain species only grow where there is a lot of rainfall, and species tend to like either acid conditions or lime-rich conditions. Some take many years to grow and colonise poorly; these ‘indicator’ species are good for identifying ancient woodlands. A few species colonise poorly and die when exposed to direct sunlight, so if you nd them they indicate continuity of tree cover over many hundreds of years, suggesting trees have been present there since the retreat of the glaciers.

Bryophytes grow all the year round but are best enjoyed in woodlands after the leaves have fallen in November. By then they are growing well, and more light is available to see them. ey are especially beautiful in or after rain.

Bryophytes are useful in monitoring both air quality and climate change. Epiphytes are considered the best bryophyte species to monitor as they are susceptible to pollution and droughts.

Wall Screw-Moss (Tortula muralis)

Typical Species You May Find on Our Land:

WOODLAND GROUND

Common Tamarisk-Moss ( uidium tamariscinum)

Feathery, at-looking fans, often golden-orange colour.

WOODLAND GROUND

Glittering Wood-Moss (Hylocomium splendens)

In acid woods, has red stem and leaves look very at. It glitters when wet!

WOODLAND GROUND

Greater Fork-Moss (Dicranum majus)

A big, obvious moss if you spot it. All the leaves curl in the same direction, like huge eyebrows!

WOODLAND GROUND

Little Shaggy-Moss (Rhytidiadelphus loreus)

Looks like lots of pipe-cleaners, red stem.

ON TRUNKS OR BRANCHES

Forked Veilwort (Metzgeria furcata)

A liverwort (close relative of mosses). Grows tight to bark. Lime-green colour.

ON TRUNKS OR BRANCHES

Swan’s-Neck yme Moss (Mnium hornum)

In acid woods, young leaves bright apple green, older ones very dark and dull.

ON TRUNKS OR BRANCHES

Cypress-Leaved Plait Moss (Hypnum cupressiforme)

Deep, spongy cushions on dead wood, looks as if it is plaited.

Swan’s-Neck Thyme Moss
Forked Veilwort

IN WET WOODLAND AREAS

Pointed Spear-Moss (Calliergonella cuspidata)

Touch the tips – they are hard, like mini-spears.

IN WET WOODLAND AREAS

Common Haircap (Polytrichum commune)

Large wiry moss, grows in clumps. Looks like spiky bottle-brushes.

IN WET WOODLAND AREAS

Hart’s-Tongue yme-Moss (Plagiomnium undulatum)

Often pale green, wavy edges to leaves, on woodland oor.

Hart’s-Tongue Thyme-Moss

ON WALLS

Wall Screw-Moss (Tortula muralis)

Each leaf has a long thin ‘hair’ sticking out at the tip. e fruits are often what gets noticed.

ON WALLS

Capillary read-Moss (Bryum capillare)

Makes a tight green cushion. If fruiting, the nodding fruits are striking.

ON WALLS

Anomalous Bristle-Moss (Orthotrichum anomalum)

A loose cushion growing on stone. Capsules held clear of the leaves.

ON WALLS

Intermediate Screw-Moss (Syntrichia montana)

Makes a cushion. Quite small, rounded leaves, with a huge toothed hair-point sticking out.

ON WALLS

Silver-Moss (Bryum argenteum)

Looks white when dry, silver-green wet. Shoots cigar-shaped and tightly packed.

ON WALLS

Grey-Cushioned Grimmia (Grimmia pulvinata)

Very hoary-grey when dry. Fruits turn around and bury themselves in the leaves.

NEUTRAL GRASSLAND

Springy Turf-Moss (Rhytidiadelphus squarrosus)

Tips of stems starry. Leaves curled back on themselves.

NEUTRAL GRASSLAND

Redshank (Ceratodon purpureus)

Easy to spot when fruiting – the masses of red upright capsules stand out from a distance.

NEUTRAL GRASSLAND

Neat Feather-Moss (Pseudoscleropodium purum)

Chunky, green stems, pointed shoots look almost juicy! Little ‘blob’ on end of branches.

NEUTRAL GRASSLAND

Common Smoothcap (Atrichum undulatum)

Leaves look spiky, a bit see-through, and often wavy.

Springy Turf-Moss
Neat Feather-Moss

LIMESTONE GRASSLAND

Yellow Feather-Moss (Homalothecium lutescens)

Is really yellow, leaves are very thin and sharp-looking.

LIMESTONE GRASSLAND

Comb-Moss (Ctenidium molluscum)

e paler tips of each branch catch the eye, but this is a small moss.

LIMESTONE GRASSLAND

Crisped Neckera (Neckera crispa)

Often next to rocks. e large at leaves are very wavy, beautiful up close!

LIMESTONE GRASSLAND

Big Shaggy-Moss (Hylocomiadelphus triquetrus)

Large plant, broad leaves stand out in every direction. Looks scru y when dry.

Comb-Moss
Yellow Feather-Moss
Crisped Neckera

ACID GRASSLAND & HEATH

Broom Fork-Moss (Dicranum scoparium)

Yellow-green to dark green narrow leaves with a long ne tip. Grows in cushions or large patches.

ACID GRASSLAND & HEATH

Juniper Haircap (Polytrichum juniperinum)

Mat-forming. e male sex organs look like owers (but aren’t!).

ACID GRASSLAND & HEATH

Silky Forklet-Moss (Dicranella heteromalla)

On dry peaty banks. Leaves small and all curled same direction: looks ‘neat’.

ACID GRASSLAND & HEATH

Woolly Fringe-Moss (Racomitrium lanuginosum)

Forms low, but extensive, patches of grey, woolly plants.

Juniper Haircap

ON WET GROUND

Overleaf Pellia (Pellia epiphylla)

A Liverwort (not a moss) – body is a at pancake, not a leaf.

ON WET GROUND Sphagnum (Bog-Mosses) (Sphagnum platyphyllum)

Many di erent species, all called Sphagnum. Amazing plants that hold water. Antiseptic, once used as wound dressings.

ON WET GROUND

Tree-Moss (Climacium dendroides)

Look like miniature juicy palm trees, on top of a thinner single stem.

Want to learn more about our land and the species you can nd there? Look out for our other guides!

www.friendsofthelakedistrict.org.uk/property-guides

Sphagnum Moss

About Friends of the Lake District

Established in 1934, Friends of the Lake District is a membership-based charity committed to looking after the landscapes of the Lake District and Cumbria.

&

www.friendsofthelakedistrict.org.uk/our-land

We own land in order to enhance the landscape; carry out practical conservation projects; increase access and model best practice in land management. Our land includes valleys, native woodlands, moorlands, uplands and commons, and is open to the public for all to enjoy.

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Friends of the Lake District, Murley Moss, Oxenholme Road, Kendal, LA9 7SS

Tel: 01539 720788 | Email: info@fld.org.uk

Website: www.friendsofthelakedistrict.org.uk Friends of the Lake District @friendsoflakes

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