<i>Aneura crateriformis</i>, a new liverwort species from the East Himalaya and China

Furuki, Tatsuwo; Long, David G.

doi:10.1179/jbr.1994.18.2.281

Cited by 6 publications

(11 citation statements)

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“…As earlier observed by Furuki & Long (1994), the species is dioicous with the male plants having antheridial chambers arranged irregularly in 2-several rows. The antheridial chambers are usually partially or fully concealed under the overlapping margins of the thallus ( Figure 1A).…”

Section: Bryological Notesupporting

confidence: 50%

“…Singh 2 1 Botanical Survey of India, Howrah, India, 2 Botanical Survey of India, Kolkata, India Aneura crateriformis Furuki & D.G.Long was described from India (West Sikkim), Nepal and China (Furuki & Long, 1994). The species is unique in having small, pinnately branched plants with weakly crenate margins to the thallus and strongly concave, overlapping lateral wings to the thallus that gives it a tubular appearance.…”

Section: Bryological Notementioning

confidence: 98%

“…The species is unique in having small, pinnately branched plants with weakly crenate margins to the thallus and strongly concave, overlapping lateral wings to the thallus that gives it a tubular appearance. Furuki & Long (1994) provided a detailed and immaculately illustrated description of A. crateriformis, including androecia and young gynoecia, but perhaps did not notice the mature sporophytes also present in one of the populations from West Sikkim. As a result, the details of the sporophyte, such as seta anatomy, capsule wall structure and thickening pattern, spores and elaters are still unknown in this species.…”

Section: Bryological Notementioning

confidence: 98%

“…As a result, the details of the sporophyte, such as seta anatomy, capsule wall structure and thickening pattern, spores and elaters are still unknown in this species. Furuki & Long (1994) concluded that the unique morphology of its thallus could be an adaptation to the harsh conditions where it grows, as the species usually occurred above tree line.…”

Section: Bryological Notementioning

confidence: 98%

“…Distribution: India [Eastern Himalaya (Sikkim)], China, Nepal (Furuki & Long, 1994), endemic to Eastern Himalaya.…”

Section: Bryological Notementioning

confidence: 99%

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Notes on sporophytic details of Aneura crateriformis (Aneuraceae, Marchantiophyta)

Singh

2016

Journal of Bryology

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Section: Bryological Notesupporting

confidence: 50%

Section: Bryological Notementioning

confidence: 98%

Section: Bryological Notementioning

confidence: 98%

Section: Bryological Notementioning

confidence: 98%

“…Distribution: India [Eastern Himalaya (Sikkim)], China, Nepal (Furuki & Long, 1994), endemic to Eastern Himalaya.…”

Section: Bryological Notementioning

confidence: 99%

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Notes on sporophytic details of Aneura crateriformis (Aneuraceae, Marchantiophyta)

Singh

2016

Journal of Bryology

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Cryptic speciation in liverworts – a case study in the Aneura pinguis complex

Wachowiak

Bączkiewicz

Chudzińska

et al. 2007

Botanical Journal of the Linnean Society

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Bryophytes are amongst the most ancestral terrestrial plants and often have large distribution ranges across continents. Recent biochemical and molecular studies have suggested that many worldwide morphological species of bryophyte may represent genetically divergent and reproductively isolated cryptic species. We tested the cryptic species hypothesis in the thalloid liverwort Aneura pinguis complex. We applied analyses of chloroplast DNA (cpDNA) sequence variation and polymerase chain reaction‐restriction fragment length polymorphism (PCR‐RFLP) methods to discriminate between specimens of A. pinguis derived from various habitats in five distant geographical regions in Poland. Of the 19 specimens sequence characterized for the cpDNA tRNALeu region, seven haplotypes were identified divided into three nonmonophyletic clusters. The application of developed PCR‐RFLP markers confirmed the existence of three tRNALeu types of A. pinguis (A–C) within the specimens derived from 21 populations. Sympatric populations of different tRNALeu types were found in lowland and mountain regions. No clear correlation between stand type and the presence of two tRNALeu types (A, B) was observed, as both were growing on soil, humus, and rocks. The tRNALeu type C was found only on humus and its distribution was restricted to low‐lying northern populations. The above results indicate that the A. pinguis complex is highly differentiated at the molecular level and may represent three cryptic species. © 2007 The Linnean Society of London, Botanical Journal of the Linnean Society, 2007, 155, 273–282.

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A comparison of altitudinal species richness patterns of bryophytes with other plant groups in Nepal, Central Himalaya

Grau

Grytnes

Birks

2007

Journal of Biogeography

182

135

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Aim To explore species richness patterns in liverworts and mosses along a central Himalayan altitudinal gradient in Nepal (100-5500 m a.s.l.) and to compare these patterns with patterns observed for ferns and flowering plants. We also evaluate the potential importance of Rapoport's elevational rule in explaining the observed richness patterns for liverworts and mosses.Location Nepal, Central Himalaya.Methods We used published data on the altitudinal ranges of over 840 Nepalese mosses and liverworts to interpolate presence between maximum and minimum recorded elevations, thereby giving estimates of species richness for 100-m altitudinal bands. These were compared with previously published patterns for ferns and flowering plants, derived in the same way. Rapoport's elevational rule was assessed by correlation analyses and the statistical significance of the observed correlations was evaluated by Monte Carlo simulations. ResultsThere are strong correlations between richness of the four groups of plants. A humped, unimodal relationship between species richness and altitude was observed for both liverworts and mosses, with maximum richness at 2800 m and 2500 m, respectively. These peaks contrast with the richness peak of ferns at 1900 m and of vascular plants, which have a plateau in species richness between 1500 and 2500 m. Endemic liverworts have their maximum richness at 3300 m, whereas non-endemic liverworts show their maximum richness at 2700 m. The proportion of endemic species is highest at about 4250 m. There is no support from Nepalese mosses for Rapoport's elevational rule. Despite a high correlation between altitude and elevational range for Nepalese liverworts, results from null simulation models suggest that no clear conclusions can be made about whether liverworts support Rapoport's elevational rule.Main conclusions Different demands for climatic variables such as available energy and water may be the main reason for the differences between the observed patterns for the four plant groups. The mid-domain effect may explain part of the observed pattern in moss and liverwort richness but it probably only works as a modifier of the main underlying relationship between climate and species richness.

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Aneura crateriformis, a new liverwort species from the East Himalaya and China

Cited by 6 publications

References 1 publication

Notes on sporophytic details of Aneura crateriformis (Aneuraceae, Marchantiophyta)

Notes on sporophytic details of Aneura crateriformis (Aneuraceae, Marchantiophyta)

Cryptic speciation in liverworts – a case study in the Aneura pinguis complex

A comparison of altitudinal species richness patterns of bryophytes with other plant groups in Nepal, Central Himalaya

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