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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General description of the sites where the species is found ecosystem, forest, environment or microhabitat. Thallus dark greenish, in large patches of overlapping individuals, cm x dumorgiera Species Description – Thallus mm wide, flat, deep green, not tinged with purple.

Branching dichotomous and apical. Contact the British Bryological Society with any potential records. The current map showing distribution of species is only indicative.

Tropicos | Name – Dumortiera hirsuta (Sw.) Nees

Dumortiera hirsuta — Dumortier’s liverwort. Asexual reproduction by specialized propagules lacking. The floor of the air chambers becomes the exposed surface of the mature thallus. Three cytotypes are known, but chromosome counts are not available for neotropical material.


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The species occurs in Western Europe, the Mediterranean region, Macaronesia, and widely in tropical regions of the world. It is rare and declining.

Species description The large dark green thalli are up to 12cm long and 2cm wide and these may form large mats or become pendent on steep substrata. Enumerates geographic entities where the taxon lives. Bristles present on ventral thallus side and on gametangiophores. Sporophytes only occur occasionally in the British Isles, ripening from May to September, with up to nine capsules on each receptacle.

Encyclopedia of Life EOL. 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.

Send a request for permission. Non-fertile Dumortiera is most easily distinguished from Pellia by its larger size, marginal thallus hairs and fine ridges on the thallus.


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Technology partner Strand Life Sciences. Powered by the open source Biodiversity Informatics Platform. Click on map to open large map in new window. Natural History Natural History. There are no conspicuous air chambers or pores on the upperside of the thallus but its margins have a fringe of tiny hairs. Checklists specific search options Observed during. Dinas Powys, Vale of Glamorgan: Life cycle The plants form long-lived perennial patches. However, in sterile condition the species may be difficult to distinguish from Monoclea gottschei see under the latter species.

Overview Overview Diagnostic Diagnostic Keys. Elaters with helical bands.

dumprtiera Involucres tubular, opening at top by a ventral-terminal slit, with bristles. Taylor Nees, Dumortiera hirsuta var.

Sexes may be on separate plants dioicous or different branches of the same plant autoicous.