DUMORTIERA HIRSUTA PDF

Published by on January 5, 2021
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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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Send a request for permission. Awaiting further research, all neotropical specimens have been attributed to Dumortiera hirsuta sensu lato, thus including D.

World Flora Online

Taylor Nees, Dumortiera hirsuta var. Home Introduction Selection Criteria:: Related observations Show all. The floor of the air chambers becomes the exposed surface of the mature thallus.

Dumortiera hirsuta is easily distinguished from most neotropical Marchantiales by its large, dark-green thallus without epidermal pores and with “bristles” on the ventral side.

Atlas of the bryophytes of Britain and Ireland. Rajesh and Madhusoodanan P. Sporophytes or more per involucre with slightly elongating seta. Taylor, Hygrophila nepalensis Taylor, Hirauta nepalensis T. Liverworts Hepaticae and Anthocerotae.

Overview Overview Diagnostic Diagnostic Keys. Click on map to open large map in new window. A textual diagnostic description of the species that is not necessarily structured. Technology partner Strand Life Sciences. Species Description – Thallus mm wide, flat, deep green, not tinged with purple. Dumortiera hirsuta is a large thallose liverwort that hirshta in humid sites, often close to water. Technology Biodiversity in India.

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Elaters with helical bands. Encyclopedia of Life EOL. The distribution of bryophytes in Ireland. Links British Bryological Society.

Life cycle The plants form long-lived perennial patches. Threats to the species are poorly understood, but elsewhere it is at risk from tree-felling activities that reduce humidity and shade and from water pollution.

Document specific search options Title. Dumortiera hirsuta probably is a complex species, comprising several genetically distinct siblings. Sporophytes only occur occasionally in the British Isles, ripening from May to September, with up to nine capsules on each receptacle.

Dumortiera hirsuta : Dumortier’s Liverwort | NBN Atlas

Calyptrae 2- to 3-layered after fertilization. Thallus dark greenish, in large patches of overlapping individuals, cm x If refound, ensure that dunortiera population is maintained through appropriate habitat management. 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.

Marchantia irrigua Wilson ex Hook. Weisnerellaceae Dumortiera hirsuta is a large thallose liverwort that grows in humid sites, often close to water. Also includes information referring to territorial extension of the individual or group in terms of its activities feeding, mating, etc. Search in all groups Search within this group. User specific search options User. Asexual reproduction by specialized propagules lacking. It is rare and declining. However, in sterile condition the species may be difficult to distinguish from Monoclea gottschei see under the latter species.

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Involucres tubular, opening at top by a ventral-terminal slit, with bristles. Important genetic differentiation has been found within the haploid cytotype, but the large distribution of the species and its rarity in Europe and the Mediterranean precluded a thorough investigation of its genetic structure.

Negative impacts on humans, communities. Or, Login with your user account:. 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.

Occurrence Occurrence Occurrence Records. The current map showing distribution of species is only indicative. Bryophytes of Wayanad in Western Ghats. Enumerates geographic entities where the taxon lives. General description of the sites where the species is found ecosystem, forest, environment or microhabitat. The liverwort flora of the British Isles. Non-fertile Dumortiera is most easily distinguished from Pellia by its larger size, marginal thallus hairs and fine ridges on the thallus.