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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Remember me Forgot password? Branching dichotomous and apical. Species specific search options Taxon Hierarchy. Liverworts Hepaticae and Anthocerotae.
Dumortiera hirsuta Dumortier’s Liverwort :: Northern Ireland’s Priority Species ::
Encyclopedia of Life EOL. Document specific search options Title. A population may also have suffered from pollution of water supplies by nutrient-enriched run-off from agricultural practice.
Important genetic differentiation has been found within the haploid cytotype, but dumogtiera large distribution of the species and its rarity in Europe and the Mediterranean precluded a thorough investigation of its genetic structure.
Bryophytes Liverworts: Dumortiera hirsuta
Bryophytes of Wayanad in Western Ghats. Dumortiera hirsuta is a large thallose liverwort that grows in humid sites, often close to water. This species, treated as a subspecies by Schuster bis characterized by crowded, papilliform cells on the dorsal surface of the thallus that correspond to remnants of air chamber partitions.
Elaters with helical bands. The species is regarded as a priority for conservation in Northern Ireland because the British Isles and especially Ireland are the stronghold of its European range: Calyptrae 2- to 3-layered after hirsut.
Three cytotypes are known, but chromosome counts are not available for neotropical material. Checklists specific search options Observed during. Air chambers absent, or in 1 layer and vestigial, with chlorophyllose filaments not roofed by epidermis.
British Red Data Books: Dinas Powys, Vale of Glamorgan: Dumortiera hirsuta probably is a complex species, comprising several genetically distinct siblings.
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Or, Login with your user account:. Relevant access permissions should always be sought prior to visiting dumrotiera sites. General description of the sites where the species is found ecosystem, forest, environment or microhabitat.
Asexual reproduction by specialized propagules lacking. There are no conspicuous air chambers or pores on the upperside of the thallus but its margins have a fringe of tiny hairs. The Glenarm locality is one of the northernmost known for the species, which reaches the northern limit of its world range in south-western Scotland.
Its name is derived from the presence of minute hairs at the thallus margins. Survey Glenarm to establish whether D. The liverwort flora of the British Isles. Life cycle The plants form long-lived perennial patches. Enumerates geographic entities where the taxon lives. Links British Bryological Society.
Powered by the open source Biodiversity Informatics Platform. The current map showing distribution of species is only indicative. Current status Dumortoera is likely that D.