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

Rhodactina incarnata Zhu L. Yang, Trappe & Lumyong

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Scientific name
Rhodactina incarnata
Zhu L. Yang, Trappe & Lumyong
Common names
IUCN Specialist Group
Mushroom, Bracket and Puffball
Assessment status
Proposed by
Santhiti Vadthanarat
Comments etc.
Santhiti Vadthanarat

Assessment Notes

Taxonomic notes

One of the three species in the genus Rhodactina, which was described from a community forest in Chiang Mai Provine, northern Thailand, in 2006. This species is differentiated from the other species by its basidiospores bearing (7)8–9(10) longitudinal ridges, without a markedly prominent hilar appendage.

Why suggested for a Global Red List Assessment?

In 2006, Rhodactina incarnata was described from a community forest, Chiang Mai Province, Thailand, based on a single collection. After that, the species has not been found and reported again.

Geographic range

Population and Trends

Only a single collection containing one basidioma, was found in the community forest in Chiang Mai Province, Thailand. It has never been found again in the forest and other forests. The population and current trend remaining uncertain.

Population Trend: Uncertain

Habitat and Ecology

The species was only found once on sandy soil, in dry dipterocarp forest dominated by Dipterocaparus tuberculatus, D. obtusifolius, Shorea siamensis, S. obtusa with scattered of a few Eucalyptus sp, elevation about 350-400m.

Subtropical/Tropical Dry Forest


The type locality where the species was found, is one of the places where a number of local people go for collecting mushrooms especially the Astraeus sp. As the Astreus form its basidiomata in the sub-underground, (similar to R. incarnata) to find the Astraeus the soil surface around the host trees is terribly dug and removed. Therefore, this might be one of the human activities that disturbing R. incarnata habitat.

Conservation Actions

Site/area protectionResource & habitat protectionAwareness & communications

Research needed

The distribution needs to be better known. The ectomycorrhizal symbiotic partners should be identified.

Population size, distribution & trends

Use and Trade

No use known


Country occurrence

Regional Population and Trends

Country Trend Redlisted