Isolepis graminoides
(R.W.Haines & Lye) Lye
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Isolepis graminoides.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
LC · Préoccupation mineure?Inconnue- Évaluation
- 2025 · v3.1
- Altitude
- 3200 – 3500 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
No numerical population information is available, and the current trend is unknown. The species is known from 14 herbarium specimens, collected between 1948 and 2002, and is restricted to the high altitudes on Mount Ruwenzori and Mount Elgon.
Menaces identifiées(5 menaces classées CMP-IUCN)
11_2DroughtsUnknownMinority (<50%)Ongoing11_3Temperature extremesUnknownMajority (50-90%)Future2_3_2Small-holder grazing, ranching or farmingUnknownUnknownOngoing5_3_3Unintentional effects: (subsistence/small scale) [harvest]UnknownUnknownOngoing7_1_1Increase in fire frequency/intensityUnknownMinority (<50%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
This species is known only from the Ruwenzori Mountains in Uganda, and Mount Elgon on the border of Uganda and Kenya. Population densities are increasing around the Rwenzori Mountains National Park, mainly comprising farmers who have intensively cultivated the surrounding edge of the park (Eilu 2013, Google Earth 2023). Therefore, pressure on the habitat for fuelwood and building materials is also increasing, even at relatively high altitudes (Eilu 2013, UNESCO 2022). However, there is no encroachment at the very high altitudes where this species occurs and therefore, the site is thought to be secure. In the future, climate change, particularly causing alarming rates of snow recession due to rising air temperature, is likely to affect the high altitude ecosystems (Eilu 2013). There are a number of threats that may be causing a decline in habitat quality within the Mount Elgon National Park, including frequent fires, droughts, cattle grazing, firewood collection and charcoal production (Sassen and Sheil 2013), although the main threat to this species at its elevation is fire. Droughts could also cause stress to this species, especially if climate change causes more frequent or longer droughts in the future. Fires often follow after a period of drought but most are human induced (Wesche 2003) and there has been an increase in the frequency of fires on Mount Elgon (BirdLife International 2022), such as a large fire in 1997 which affected 70% of the afro-alpine moorland zone (Wesche 2006). However, these threats are considered to be impacting a minority of the known subpopulations.
Habitats préférentiels (classification IUCN)
5_4Wetlands (inland) - Bogs, Marshes, Swamps, Fens, Peatlands★
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
There are currently no known ex situ conservation sites for this species (BGCI 2023). The species occurs within the Mount Elgon National Park and the Rwenzori Mountains National Park (UNEP-WCMC and IUCN 2023).
Actions de conservation (1)Conservation Actions Classification Scheme — IUCNExpert
3_4_2Genome resource bank
Stress écologiques (12)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_2Species disturbance2_2Species disturbance2_2Species disturbance
Priorités de recherche (2)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_5Threats
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Afrotropical
Systèmes (terrestre/eau douce/marin)
TerrestrialFreshwater (=Inland waters)
Formes de croissance
Forb or Herb
Références bibliographiques (13)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2025. The IUCN Red List of Threatened Species. Version 2025-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 10 October 2025).
- BGCI. 2023. Botanic Gardens Conservation International (BGCI) - PlantSearch. Available at: <a href="https://tools.bgci.org/plant_search.php">https://tools.bgci.org/plant_search.php</a>. (Accessed: 2023).
- Google Earth. 2023. Satellite Imagery. Available at: <a href="https://www.google.co.uk/intl/en_uk/earth/">https://www.google.co.uk/intl/en_uk/earth/</a>. (Accessed: 2023).
- UNEP-WCMC and IUCN. 2023. Protected Planet: The World Database on Protected Areas (WDPA) and World Database on Other Effective Area-based Conservation Measures (WD-OECM) [Online]. Cambridge, UK. UNEP-WCMC and IUCN. Available at: <a href="https://www.protectedplanet.net">https://www.protectedplanet.net</a>. (Accessed: 2023).
- Viljoen, J., Hedderson, T.A.J., Bjora, C.S. and Muasya, A.M. 2022. Monophyly and transoceanic dispersal in the widespread floating club-rush clade, <i>Isolepis</i> subgenus <i>Fluitantes</i> (Cyperaceae). <i>Plant Ecology and Evolution</i> 155(1): 41-50.
- UNESCO. 2022. Rwenzori Mountains National Park. Available at: <a href="https://whc.unesco.org/en/list/684/">https://whc.unesco.org/en/list/684/</a>.
- BirdLife International. 2022. Important Bird Area factsheet: Mount Elgon National Park. Available at: <a href="http://www.birdlife.org/datazone/sitefactsheet.php?id=6449">http://www.birdlife.org/datazone/sitefactsheet.php?id=6449</a>.
- Sassen, M. and Sheil, D. 2013. Human impacts on forest structure and species richness on the edges of a protected mountain forest in Uganda. <i>Forest Ecology and Management</i> 307: 206-218.
- Eilu, G. 2013. Saving the Rwenzori. <i>Miti</i>: 30-33.
- Bachman, S., Moat, J., Hill, A.W., de la Torre, J. and Scott, B. 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. In: V. Smith and L. Penev (eds) e-Infrastructures for data publishing in biodiversity science. <i>Zookeys</i> 150: 117–126.
- Hoenselaar, K., Verdcourt, B. and Beentje, H. 2010. Cyperaceae. In: H.J. Beentje (ed.), <i>The Flora of Tropical East Africa</i>, RBG Kew.
- Wesche, K. 2006. Is Afroalpine plant diversity negatively affected by high altitude fires? In: E.M. Spehn, M. Liberman and C. Korner (eds), <i>Land Use Change and Mountain Biodiversity</i>, Taylor and Francis, New York.
- Wesche, K. 2003. The importance of occasional droughts for afroalpine landscape ecology. <i>Journal of Tropical Ecology</i> 19: 197-208.
Évaluateurs & contributeurs (4)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Wheatcroft, H.
contributor
Mukasa, K. & Darbyshire, I.
evaluator
Beentje, H.J. & Lansdown, R.V.
facilitators
Plummer, J. & Wheatcroft, H.
Wheatcroft, H. 2025. Isolepis graminoides. The IUCN Red List of Threatened Species 2025: e.T234672206A234672249. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s
Consulter sur les bases externes
Observations & statuts
Cartographie
Note nomenclaturale & synonymesDétails taxonomiques + synonymes CoLExpert
Note nomenclaturale
TAXREF v18 — INPN/MNHNSynonymes (2)— redirigent vers cette page
- Scirpidiella graminoides(R.W.Haines & Lye) Rauschert
- Scirpus graminoidesR.W.Haines & Lye
Sources : Catalogue of Life Cross-References (synonymes) · TAXREF v18 INPN/MNHN (commentaires FR).