• Proposed
  • 2Under Assessment
  • 3Preliminary Assessed
  • 4Assessed
  • 5Published

Hygrocybe miniatofirma S.A. Cantrell & Lodge

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Scientific name
Hygrocybe miniatofirma
S.A. Cantrell & Lodge
Common names
IUCN Specialist Group
Mushroom, Bracket and Puffball
Assessment status
Proposed by
Thomas Læssøe
Thomas Læssøe

Assessment Notes

Taxonomic notes

The species was described in 2001 based on a number of collections.

Why suggested for a Global Red List Assessment?

A characteristic, very bright coloured, endemic species, restricted to high elevation cloud forest in Puerto Rica - threatened by documented climatic changes on the island, where the cloud forest will be drying out. Species suggested by D. Jean Lodge, resident mycologist on the island, documentation for changing climate is forthcoming (D. Jean Lodge pers.com.). Many other possible sites in the region have been surveyed for Hygrocybe species, and H. miniatofirma has not turned up anywhere else. Dendroica angeliae (Elfin Wood-Warbler) occurs in the same habitat and is likewise endemic to Puerto Rican cloud forests with Podocarpus. These forest are protected
Assessedf as B1a,b (III) &B2ab;(III) CR (very limited area 8 sq km),  C 2a( i) CR,  (A may be relevant in the future if data show a steep decline in cloud forest extend)

Geographic range

Population and Trends

Known from maximum fruiting mycelia within a very limited area (two sites) of the Luquillo Mountains, Puerto Rico.

Population Trend: Uncertain

Habitat and Ecology

Only found within a narrow zone in elfin forest/cloud forest of the Luquillo Mountains, Puerto Rico. Species of Hygrocybe were formerly considered to be saprotrophic but recent data based on carbon isotopes suggest a biographic lifestyle of unknown type. A related species, Cuphophyllus virgineus, can be found as an endophyte in Plantago and can be dispersed within the seeds of the Plantago.

Subtropical/Tropical Moist Montane Forest


There are now data to show a dramatic prospected decline in the cloud forest cover of the island (Lodge pers.com.). The forest currently covers the very tips of the mountain range and there is thus no possibility for moving up the slope.

Climate change & severe weather

Conservation Actions

Research needed

Use and Trade


Cantrell, S.A. & Lodge, D.J. 2001. Hygrophoraceae (Agaricales) of the Greater Antilles: Hygrocybe subgenus Pseudohygrocybe section Firmae. Mycological Research 105(2): 215-224.

Country occurrence

Regional Population and Trends

Country Trend Redlisted