Flolape

Handsome Woollywort

Trichocolea tomentella (Ehrh.) Dumort.
Handsome Woollywort
Photo: Wikimedia Commons (CC-BY-SA-4.0)

Trichocolea tomentella is a liverwort in the family Trichocoleaceae, known as Handsome Woollywort. It forms pale green to yellowish-white mats with highly divided, feathery leaves. The species is found in temperate regions of the Northern Hemisphere, including Europe, Asia, North Africa, and eastern North America. It grows in moist, shaded areas, especially near springs and streams in forests. Reproduction occurs via both sexual means and vegetative branching. Though it can form dense patches and compete well with other bryophytes, it is threatened by habitat destruction due to logging and drainage.

Description

Trichocolea tomentella is a liverwort species with a wide distribution in temperate Northern Hemisphere regions, including Labrador, Québec, and several Atlantic islands. It is distinguished by its pale green to yellowish-white, loosely formed mats and highly divided, feathery leaves. The plant typically inhabits moist, shaded environments, especially near springs and streams in both deciduous and coniferous forests. It reproduces both sexually and vegetatively, with vegetative reproduction being more common. T. tomentella exhibits morphological variation across populations but maintains consistent cell structure. It is capable of forming extensive pure patches and competes effectively with other bryophytes in suitable habitats. However, it is vulnerable to habitat loss due to logging and the drainage of moist forest areas.

Other common names

woolly liverwortHandsome WoollywortWoollywort

Distribution

Labrador · Québec · Faial Island · Pico Island · São Jorge Island · São Miguel Island · TW · Flanders · SE · Vermont-US · NO · DK · Grand Duchy of Luxembourg · Belgium · Flemish Region · Walloon Region

Synonyms

Jungermannia tomentellaTrichocolea biddlecomiaeTrichocolea teneraJungermannia tomentella var. tomentellaTrichocolea tomentella f. tomentellaTrichocolea tomentella var. tomentellaTrichocolea tomentella var. europaeaTrichocolea tomentella f. nodulosaTrichocolea tomentella var. novae-zeelandiaeTrichocolea tomentella var. nodulosa

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