VU

Myrsine rivularis

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Myrsine rivularis faces significant pressure from habitat degradation in its native Hawaiian forest ecosystems. The species is particularly vulnerable to invasive plant species that alter forest composition and compete for resources. Agricultural expansion and urban development continue to fragment remaining populations, while introduced ungulates damage understory vegetation where this endemic shrub establishes.

Threat summary

Habitat

Myrsine rivularis inhabits native Hawaiian wet and mesic forests, typically growing in understory and edge environments. The species occurs in montane forest ecosystems between 300-1,500 meters elevation on volcanic soils.

Other threatened species in Primulaceae

CR

Jacquinia sessiliflora

Unknown
CR

Myrsine ronuiensis

Unknown
CR

Myrsine cristalensis

Unknown
CR

Myrsine pipolyi

Unknown

Frequently asked questions

Why is Myrsine rivularis classified as Vulnerable?
Myrsine rivularis is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Myrsine rivularis faces significant pressure from habitat degradation in its native Hawaiian forest ecosystems. The species is particularly vulnerable to invasive plant species that alter forest composition and compete for resources. Agricultural expansion and urban development continue to fragment remaining populations, while introduced ungulates damage understory vegetation where this endemic shrub establishes.
Where does Myrsine rivularis live?
Myrsine rivularis occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Myrsine rivularis?
The main threats to Myrsine rivularis are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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