Rhizomnium punctatum, also called dotted thyme-moss, is a small species in the genus ''

Rhizomnium ''Rhizomnium'' is a genus of mosses in the family Mniaceae commonly referred to as leafy mosses. They grow nearly worldwide, mostly in the northern hemisphere. Species * '' Rhizomnium andrewsianum'' * '' Rhizomnium appalachianum'' * '' Rhizomni ...

''.

Description

The roots, which are 10–100 mm tall, stand up straight. The

oval An oval () is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas (projective geometry, technical drawing, etc.) it is given a more precise definition, which may include either one ...

- or

egg-shaped An oval () is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas (projective geometry, technical drawing, etc.) it is given a more precise definition, which may include either one ...

leaves are usually broader above the middle. The

rhizoids Rhizoids are protuberances that extend from the lower epidermal cells of bryophytes and algae. They are similar in structure and function to the root hairs of vascular land plants. Similar structures are formed by some fungi. Rhizoids may be uni ...

are not slender, unlike similar species ''R. magnifolium'' and ''R. pseudopunctatum'' and they grow in the leaf axils. Capsules, measuring 5mm long, are borne on

setae In biology, setae (singular seta ; from the Latin word for " bristle") are any of a number of different bristle- or hair-like structures on living organisms. Animal setae Protostomes Annelid setae are stiff bristles present on the body. ...

which are 20-30mm.

Distribution

''Rhizomnium punctatum'' is native to most of Europe and North America and is also found in the

Azores ) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...

and Madeira,

North Africa North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in ...

, Turkey, the Caucasus, Iran and Asia east to

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive region, geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a ...

. Found on all corners of the

British Isles The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...

, although once again less frequent in

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. It also has a more scattered range in the East, from

Cambridge Cambridge ( ) is a College town, university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cam ...

north to

Kingston upon Hull Kingston upon Hull, usually abbreviated to Hull, is a port city and unitary authority in the East Riding of Yorkshire, England. It lies upon the River Hull at its confluence with the Humber Estuary, inland from the North Sea and south-ea ...

. It can be found on

Scilly The Isles of Scilly (; kw, Syllan, ', or ) is an archipelago off the southwestern tip of Cornwall, England. One of the islands, St Agnes, is the most southerly point in Britain, being over further south than the most southerly point of th ...

, Orkney, Shetland and the

Isle of Man ) , anthem = "O Land of Our Birth" , image = Isle of Man by Sentinel-2.jpg , image_map = Europe-Isle_of_Man.svg , mapsize = , map_alt = Location of the Isle of Man in Europe , map_caption = Location of the Isle of Man (green) in Europe ...

.NBN Gateway. ''Rhizomnium punctatum (Hedw.) T.J.Kop. (Dotted Thyme-moss)'', National Biodiversity Network. Retrieved 15/04/2015.
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References

{{Taxonbar, from=Q150994 Flora of Bulgaria punctatum Taxobox binomials not recognized by IUCN