''Mesochaete undulata'' is a

moss Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) '' sensu stricto''. Bryophyta (''sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and hor ...

found in

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

and

Lord Howe Island Lord Howe Island (; formerly Lord Howe's Island) is an irregularly crescent-shaped volcanic remnant in the Tasman Sea between Australia and New Zealand, part of the Australian state of New South Wales. It lies directly east of mainland P ...

. Usually seen in moist sites on rocks or soil beside streams. Plants may be large, up to 5 cm long. The stems are usually not branched, red at the base and yellowish green above. Leaves are large and spreading, rounded to blunt at the tips, 1.8 mm to 4.5 mm long. This plant first appeared in scientific literature in 1870, published in the

Botanical Journal of the Linnean Society The ''Botanical Journal of the Linnean Society'' is a scientific journal publishing original papers relating to the taxonomy of all plant groups and fungi, including anatomy, biosystematics, cytology, ecology, ethnobotany, electron microscopy, mo ...

by the Swedish bryologist,

Sextus Otto Lindberg Sextus Otto Lindberg (29 March 1835 – 20 February 1889) was a Swedish physician and botanist, known as a bryologist. Life He was born in Stockholm, and educated in Uppsala. He worked in the Grand Duchy of Finland, then part of the Russian Empir ...

References

Rhizogoniales Flora of New South Wales Flora of Queensland Flora of Victoria (Australia) Flora of Lord Howe Island Plants described in 1870 {{Bryophyte-stub