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Overview

Distribution

Range Description

J. conglomeratus has an Old World boreal distribution, from Scandinavia south to the Iberian Peninsula and east through the north coast of the Mediterranean, Russia, Kazakhstan and the Caucasus to China, Japan and the Korean Peninsula. It has been introduced to large areas of North America (The Board of Trustees of the Royal Botanic Garden, Kew 2013).

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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
J. conglomeratus is a perennial which grows in marshes, small streams, shores of lakes and ponds, wet meadows on plains and mountains with rain over 700 mm, somewhat cacifuge.
.

Systems
  • Terrestrial
  • Freshwater
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Associations

In Great Britain and/or Ireland:
Foodplant / saprobe
sporodochium of Arthrinium dematiaceous anamorph of Arthrinium curvatum var. minus is saprobic on dead, often dry, bleached leaf of Juncus conglomeratus
Remarks: season: 2-11

Foodplant / saprobe
apothecium of Belonopsis junciseda is saprobic on dead Juncus conglomeratus

Foodplant / saprobe
immersed, then revealed apothecium of Hysteropezizella pusilla is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 5-9

Foodplant / saprobe
apothecium of Lachnum rehmii is saprobic on dead Juncus conglomeratus
Remarks: season: 7-8

Foodplant / saprobe
subcuticular, opening by a slit conidioma of Leptostroma coelomycetous anamorph of Leptostroma juncacearum is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 2-9

Foodplant / saprobe
thyriothecium of Lichenopeltella nigroannulata is saprobic on dead leaf of Juncus conglomeratus

Foodplant / saprobe
immersed pseudothecium of Lophiostoma alpigenum var. juncinum is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 6

Foodplant / saprobe
embedded, opening by little slits stroma of Discula coelomycetous anamorph of Myriosclerotinia curreyana is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 7-9
Other: minor host/prey

Foodplant / saprobe
erumpent apothecium of Niptera melatephra is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 6-7

Foodplant / saprobe
immersed pseudothecium of Phaeosphaeria juncina is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 7-8

Foodplant / saprobe
sometimes confluent stroma of Phyllachora junci is saprobic on dead leaf of Juncus conglomeratus
Remarks: season: 9-7

Foodplant / saprobe
numerous, immersed, more or less linearly arranged, fuscous, covered pycnidium of Septoria coelomycetous anamorph of Septoria junci is saprobic on dead culm of Juncus conglomeratus
Remarks: season: 2-10

Foodplant / saprobe
subepidermal, in lines conidioma of Septoriella coelomycetous anamorph of Septoriella junci is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 2-10

Foodplant / saprobe
small, black pycnidium of Stagonospora coelomycetous anamorph of Stagonospora socia is saprobic on dead, dry stem of Juncus conglomeratus
Remarks: season: 9

Foodplant / saprobe
apothecium of Stictis elevata is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 8

Foodplant / saprobe
subcuticular colony of ascoma of Tarbertia juncina is saprobic on dead stem of Juncus conglomeratus
Remarks: season: 10

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Juncus conglomeratus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Juncus conglomeratus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 9
Specimens with Barcodes: 12
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2014

Assessor/s
Lansdown, R.V.

Reviewer/s
Smith, K.

Contributor/s
de Belair, G.

Justification

This species is classed as Least Concern as it is widespread with stable populations and does not face any major threats.

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National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: T5 - Secure

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Population

Population

This species is widespread and abundant throughout its known range. There is no detailed information available on population size.


Population Trend
Stable
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Threats

Major Threats

There are no known past, ongoing, or future threats to this species

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Management

Conservation Actions

Conservation Actions

There are no conservation measures in place and none needed.

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Wikipedia

Juncus conglomeratus

Juncus conglomeratus - keraluga Keilas.jpg

Juncus conglomeratus, known commonly as Compact Rush, is a species of rush.[1]

In the England, Wales and Scotland it is one of six rush species which can dominate lowland damp grasslands.[1]

References[edit]

  1. ^ a b The Lowland Grassland Management Handbook 2nd edition, A Crofts and R G Jefferson (eds) English Nature ISBN 1-85716-443-1, 1999


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