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  • Under Assessment
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Craterellus orinocensis Pat. & Gaillard

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Scientific name
Craterellus orinocensis
Author
Pat. & Gaillard
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Cantharellales
Family
Cantharellaceae
Assessment status
Preliminary Assessed
Preliminary Category
NT D1
Proposed by
James Westrip
Assessors
James Westrip

Assessment Notes

Justification

Known from Amazonas state in Venezuela, Craterellus orinocensis is a species of lowland forest. While there has been little apparent habitat loss within its range, suggesting a stable population, the population size could still be small. Further work to confirm its full distribution is required, but it is unlikely to warrant a listing under a high threat category (thus it would not be anything from Least Concern to Critically Endangered; and so could not be assessed as Data Deficient). Precautionarily assuming that it is restricted to this state a population size estimate of 1,000-5,000 mature individuals means that it approaches the thresholds for listing as threatened under criterion D1. Thus it is assessed as Near Threatened under this criterion.


Taxonomic notes


Why suggested for a Global Red List Assessment?


Geographic range

Craterellus orinocensis is known from Amazonas in Venezuela. First described from ‘Raudal d’Atures’ (Patouillard and Gaillard 1888), other published records come from Atabapo (see Wilson et al. 2012, Henkel et al. 2014). Research to confirm whether it occurs in adjacent areas of Colombia or Brazil would be useful.


Population and Trends

With only very limited forest cover loss within Amazonas state over recent years (see World Resources Institute 2023), it is suspected that the population is stable. If the species were to be restricted to the state, however, the population size could be small. Based on the amount of suitable habitat within the known range there’s the potential for c. 100 sites within the state, each potentially containing 1-5 genets. Based on Dahlberg and Mueller (2011), each genet would represent 10 mature individuals and so the population size could fall in the range of 1,000-5,000 mature individuals. Confirmation of the species’ presence in adjacent areas of Colombia or Brazil, or indeed in additional areas of Venezuela could increase this estimate (potentially significantly).

Population Trend: Stable


Habitat and Ecology

This is a terrestrial species that grows in Amazonian forest, including riparian forest (Patouillard and Gaillard 1888).

Subtropical/Tropical Moist Lowland Forest

Threats

The Amazonas region of Venezuela has seen relatively little forest cover loss over recent years (see World Resources Institute 2023), and so it is suspected that there has been little impact on this species.


Conservation Actions


Research needed

Further research is required to gain a clearer knowledge of the full distribution of this species, which will then aid in estimations of the population size and trend.

Population size, distribution & trends

Use and Trade

No use/trade has been noted.


Bibliography


Country occurrence

Regional Population and Trends

Country Trend Redlisted