Riviersonderend Mountains (100927)
South Africa, Africa
Biodiversity elements triggering KBA criteria
| Taxonomic group | Scientific name | Common name | IUCN Red List category | Year | KBA criteria |
|---|---|---|---|---|---|
| Aves | Chaetops frenatus | Cape Rockjumper | NT | 2024 | B3b |
| Proteales | Protea repens | Common Sugarbush | LC | 2024 | B3a |
| Proteales | Serruria elongata | Long-stalk Spiderhead | NT | 2024 | B1, B2, B3a |
| Proteales | Serruria fasciflora | Common Pin Spiderhead | LC | 2024 | B3a |
| Proteales | Serruria gremialis | Riviersonderend Spiderhead | NT | 2024 | B1, B2, B3a |
| Proteales | Serruria pedunculata | Fan-leaf Spiderhead | LC | 2024 | B2, B3a |
| Proteales | Spatalla argentea | Silver-leaf Spoon | EN | 2024 | A1a, A1e, B1, B2, B3a |
| Proteales | Serruria phylicoides | Bearded Spiderhead | LC | 2024 | B1, B2, B3a |
| Proteales | Serruria stellata | Star Spiderhead | VU | 2024 | A1b, B1, B2, B3a |
| Proteales | Serruria williamsii | King Spiderhead | EN | 2024 | A1a, B1, B2, B3a |
| Proteales | Sorocephalus crassifolius | Flowerless Clusterhead | CR | 2024 | A1e, B2, B3a |
| Proteales | Sorocephalus pinifolius | Long-leaf Clusterhead | EN | 2024 | A1a, B2, B3a |
| Proteales | Spatalla propinqua | Lax Spoon | VU | 2024 | A1b, B1, B2, B3a |
| Papilionoidea | Thestor braunsi | Brauns’ Skolly | LC | 2024 | B1 |
| Asparagales | Geissorhiza callista | LC | 2024 | B1, B2, B3a | |
| Asparagales | Klattia partita | LC | 2024 | B2, B3a | |
| Asparagales | Ixia stenophylla | LC | 2024 | B1, B2, B3a | |
| Asparagales | Ixia bellendenii | LC | 2024 | B1, B2, B3a | |
| Asparagales | Disperis capensis | LC | 2024 | B3a | |
| Asterales | Edmondia sesamoides | LC | 2024 | B3a | |
| Asterales | Anaxeton hirsutum | EN | 2024 | A1a, B1, B2, B3a | |
| Asterales | Metalasia alfredii | VU | 2024 | A1b, B1, B2, B3a | |
| Bruniales | Linconia ericoides | CR | 2024 | A1a, A1e, B1, B2, B3a | |
| Bruniales | Brunia microphylla | LC | 2024 | B1, B2, B3a | |
| Asterales | Metalasia tenuis | VU | 2024 | A1b, B1, B2, B3a | |
| Ericales | Erica oakesiorum | EN | 2024 | A1a, B2, B3a | |
| Caryophyllales | Stayneria neilii | VU | 2024 | A1b, B1, B2 | |
| Caryophyllales | Lampranthus stenopetalus | VU | 2024 | B2, B3a | |
| Caryophyllales | Erepsia oxysepala | VU | 2024 | A1b, B1, B2, B3a | |
| Caryophyllales | Erepsia villiersii | CR | 2024 | B2 | |
| Fabales | Podalyria hirsuta | LC | 2024 | B1, B2, B3a | |
| Fabales | Argyrolobium pachyphyllum | EN | 2024 | B2 | |
| Fabales | Hypocalyptus oxalidifolius | LC | 2024 | B3a | |
| Fabales | Aspalathus vulpina | VU | 2024 | A1b, B2, B3a | |
| Fabales | Aspalathus taylorii | VU | 2024 | A1b, B1, B2, B3a | |
| Myrtales | Endonema retzioides | VU | 2024 | A1b, B1, B2, B3a | |
| Malvales | Lachnaea pudens | NT | 2024 | B1, B2, B3a | |
| Lamiales | Freylinia helmei | VU | 2024 | B3a | |
| Sapindales | Agathosma leptospermoides | VU | 2024 | A1b, B1, B2, B3a | |
| Rosales | Phylica calcarata | VU | 2024 | A1b, B1, B2, B3a | |
| Rosales | Phylica stenantha | VU | 2024 | A1b, B1, B2, B3a | |
| Sapindales | Diosma pilosa | VU | 2024 | A1b, B1, B2, B3a | |
| Aves | Crithagra leucoptera | Protea Canary | NT | 2024 | B3b |
| Aves | Cryptillas victorini | Victorin's Warbler | LC | 2024 | B3b |
| Aves | Crithagra totta | Cape Siskin | LC | 2024 | B3b |
| Aves | Anthobaphes violacea | Orange-breasted Sunbird | LC | 2024 | B3b |
| Actinopterygii | Galaxias sp. nov. 'Riviersonderend' | VU | 2024 | A1b, B1, B3b | |
| Proteales | Leucadendron tinctum | Spicy Conebush | LC | 2024 | B3a |
| Papilionoidea | Chrysoritis endymion | Endymion Opal | LC | 2024 | B1, B3a |
| Papilionoidea | Thestor kaplani | Kaplan's Skolly | CR | 2024 | A1a, A1e, B1, B3a |
| Papilionoidea | Thestor stepheni | Stephen's Skolly | LC | 2024 | B1 |
| Proteales | Paranomus bolusii | Overberg Sceptre | NT | 2024 | B2, B3a |
| Fabales | Lotononis rigida | VU | 2024 | B2 | |
| Fabales | Podalyria calyptrata | Water Blossom Pea | LC | 2024 | B3a |
| Proteales | Leucadendron burchellii | Riviersonderend Conebush | VU | 2024 | A1b, B1, B2, B3a |
| Proteales | Leucadendron immoderatum | Climax Conebush | CR | 2024 | A1e, B2, B3a |
| Proteales | Leucadendron nervosum | Silky-ruff Conebush | LC | 2024 | B1, B2, B3a |
| Proteales | Leucadendron salignum | Common Sunshine Conebush | LC | 2024 | B3a |
| Proteales | Leucospermum calligerum | Arid Pincushion | LC | 2024 | B3a |
| Proteales | Leucospermum harpagonatum | McGregor Pincushion | CR | 2024 | A1a, A1e, B2, B3a |
| Proteales | Leucospermum oleifolium | Overberg Pincushion | NT | 2024 | B1, B2, B3a |
| Proteales | Mimetes argenteus | Silver Pagoda | EN | 2024 | A1a, B1, B2, B3a |
| Proteales | Paranomus adiantifolius | Hairy-style Sceptre | EN | 2024 | A1a, B2, B3a |
| Proteales | Paranomus capitatus | Fine-leaf Sceptre | LC | 2024 | B1, B2, B3a |
| Proteales | Protea scabra | Sandpaper-leaf Sugarbush | VU | 2024 | A1b, A1d, B1, B2, B3a |
| Proteales | Paranomus sceptrum-gustavianus | King Gustav's Sceptre | LC | 2024 | B2, B3a |
| Proteales | Protea coronata | Green Sugarbush | LC | 2024 | B3a |
| Proteales | Protea grandiceps | Red Sugarbush | NT | 2024 | B3a |
| Proteales | Protea humiflora | Patent-leaf Sugarbush | LC | 2024 | B2, B3a |
| Proteales | Protea laurifolia | Grey-leaf Sugarbsh | LC | 2024 | B3a |
| Proteales | Protea lorifolia | Strap-leaved Sugarbush | LC | 2024 | B3a |
| Poales | Pentameris ellisii | LC | 2024 | B1, B3a | |
| Asparagales | Nivenia dispar | VU | 2024 | A1b, B1, B2, B3a | |
| Asparagales | Sparaxis fragrans | EN | 2024 | B2, B3a | |
| Asterales | Anaxeton brevipes | VU | 2024 | A1b, B1, B2, B3a | |
| Apiales | Hermas quinquedentata | LC | 2024 | B2, B3a | |
| Apiales | Centella thesioides | VU | 2024 | A1b, B1, B2, B3a | |
| Apiales | Centella dolichocarpa | LC | 2024 | B1, B2, B3a | |
| Poales | Nevillea singularis | VU | 2024 | A1b, B1, B3a | |
| Poales | Askidiosperma andreaeanum | LC | 2024 | B3a | |
| Poales | Anthochortus ecklonii | LC | 2024 | B3a | |
| Asterales | Athanasia scabra | VU | 2024 | B2 | |
| Asterales | Zyrphelis nervosa | CR | 2024 | B2, B3a | |
| Asterales | Helichrysum rotundatum | EN | 2024 | A1a, A1e, B2, B3a | |
| Caryophyllales | Lampranthus falcatus | LC | 2024 | B2, B3a | |
| Ericales | Erica rufescens | LC | 2024 | B1, B2, B3a | |
| Ericales | Erica vallis-gratiae | LC | 2024 | B1, B2, B3a | |
| Ericales | Erica floccifera | VU | 2024 | A1b, B1, B2, B3a | |
| Ericales | Erica insolitanthera | VU | 2024 | A1b, B1, B2, B3a | |
| Ericales | Erica modesta | EN | 2024 | A1a, B1, B2, B3a | |
| Ericales | Erica pannosa | LC | 2024 | B1, B2, B3a | |
| Ericales | Erica petricola | LC | 2024 | B1, B2, B3a | |
| Fabales | Psoralea asarina | LC | 2024 | B3a | |
| Fabales | Aspalathus burchelliana | EN | 2024 | A1a, B1, B2, B3a | |
| Fabales | Muraltia tenuifolia | VU | 2024 | A1b, B1, B2, B3a | |
| Myrtales | Endonema lateriflora | EN | 2024 | B2, B3a | |
| Malvales | Struthiola myrsinites | LC | 2024 | B3a | |
| Lamiales | Campylostachys helmei | EN | 2024 | A1e, B3a | |
| Malvales | Lachnaea greytonensis | VU | 2024 | A1b, B1, B2, B3a | |
| Rosales | Cliffortia scandens | VU | 2024 | A1b, B1, B2, B3a | |
| Santalales | Thesium carinatum | LC | 2024 | B3a | |
| Rosales | Cliffortia cruciata | VU | 2024 | A1b, B1, B2, B3a | |
| Amphibia | Arthroleptella atermina | Riviersonderent Moss Frog | NE | 2024 | B1, B3a |
Ecosystems
| Name | Ecosystem RedList category | Assessment date | Global extent | Site extent |
|---|---|---|---|---|
| Greyton Shale Fynbos | Critically Endangered (CR) | 2018 | 149.7348 | 51.96794313 |
| North Sonderend Sandstone Fynbos | Least Concern (LC) | 2018 | 521.145 | 377.0848553 |
| South Sonderend Sandstone Fynbos | Critically Endangered (CR) | 2018 | 333.8586 | 329.0199928 |
| Western Coastal Shale Band Vegetation | Endangered (EN) | 2018 | 128.3346 | 22.5197996 |
Recommended citation
Key Biodiversity Areas Partnership (2025) Key Biodiversity Areas factsheet: Riviersonderend Mountains. Extracted from the World Database of Key Biodiversity Areas. Developed by the Key Biodiversity Areas Partnership: BirdLife International, IUCN, American Bird Conservancy, Amphibian Survival Alliance, Conservation International, Critical Ecosystem Partnership Fund, Global Environment Facility, Re:wild, NatureServe, Rainforest Trust, Royal Society for the Protection of Birds, World Wildlife Fund and Wildlife Conservation Society. Downloaded from https://keybiodiversityareas.org/ on Dec 18, 2025.