Items 1 – 20 of Dumortiera hirsuta (Sw.) Nees you can join if you are interested in participating in a survey for species like Dumortiera hirsuta (Sw.) Nees. National Distribution. United States. Origin: Unknown/Undetermined. Regularity: Regularly occurring. Currently: Unknown/Undetermined. Confidence: Confident. Download scientific diagram | Dumortiera hirsuta (A) Gametophytic thalli (B) Disk shaped antheridia with bristles (C) archegoniophore with several sporophytes.

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Liverworts Hepaticae and Anthocerotae. The male receptacle is up to 5mm in diameter with a stalk about 1mm high, the female receptacle up to 9mm diameter on a stalk up to 50mm tall.

Dumortiera hirsuta (Sw.) Nees | Species | India Biodiversity Portal

The species occurs in Western Europe, the Mediterranean region, Macaronesia, and widely in tropical regions of the world. The floor of the air chambers becomes the exposed surface of the dumortkera thallus.

Bristles present on ventral thallus side and on gametangiophores. Antheridiophores with disk-shaped receptacle, with small ventral scales underneath and bristles on margins and dorsal side, stalk short, without assimilatory strip, with 2 rhizoid furrows; rarely, antheridial branches develop in the female receptacles. Click on map to open large map in new window. What you can do The large thallose liverworts are easier to identify than many bryophytes, since with experience most of them can be determined using a x10 hand lens without needing microscopy.


Rajesh and Madhusoodanan Nirsuta. If refound, ensure that the population is maintained through appropriate habitat dumortierx. Sporophytes or more per involucre with slightly elongating seta.

Links British Bryological Society. Observation specific search options Observed during. Document specific search options Title. Natural History Natural History. General description of the sites where the species is found ecosystem, forest, environment or microhabitat.

Bryophytes Liverworts: Dumortiera hirsuta

Or, Login with your user account:. Home Introduction Selection Criteria:: The portal will be unavailable all day on Sunday 23rd Dec for maintenance. Send a request for permission. The distribution of bryophytes in Ireland. Marchantia irrigua Wilson ex Hook.

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Does not include altitudinal distribution, which is covered under Habitat. Technology Biodiversity in India. Dumortiera hirsuta is a large thallose liverwort that grows in humid sites, often close to water. Awaiting further research, all neotropical specimens have been attributed to Dumortiera hirsuta sensu lato, thus including D.

Taylor Nees, Dumortiera hirsuta dumortiega. Calyptrae 2- to 3-layered after fertilization. Message The user has shared this species from India Biodiversity Portal with you.

Powered by the open source Biodiversity Informatics Platform. There are no conspicuous air chambers or pores on the upperside of the thallus but its margins have a fringe of tiny hairs.

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Species description The large dark green thalli are up to 12cm hisuta and 2cm wide and these may form large mats or become pendent on steep substrata.

Atlas of the bryophytes of Britain and Ireland. The liverwort flora of the British Isles. In shady wet areas of forests, on dumortieera near water courses, on submerged rocks, on exposed roots of higher plants, etc. User specific search options User. Sporophytes only occur occasionally in the British Isles, ripening from May to September, with up to nine capsules on each receptacle.

Nomenclature and Classification Nomenclature and Classification. Relevant access dumortierx should always be sought prior to visiting any sites. Archegonia in stalked, terminal archegoniophores, up to 7 dumodtiera archegonial cavity.

Air chambers absent, or in 1 layer and vestigial, with chlorophyllose filaments not roofed by epidermis. How to see this species The only locality known in Northern Ireland is in Glenarm Glen, where it was found in on dripping rock by the river in a wooded ravine.