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

Diversispora aurantia (Błaszk., Blanke, Renker & Buscot) C. Walker & A. Schüßler

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Scientific name
Diversispora aurantia
Author
(Błaszk., Blanke, Renker & Buscot) C. Walker & A. Schüßler
Common names
 
IUCN Specialist Group
Unknown
Kingdom
Fungi
Phylum
Glomeromycota
Class
Glomeromycetes
Order
Diversisporales
Family
Diversisporaceae
Assessment status
Proposed
Proposed by
Joana Veras
Comments etc.
Joana Veras

Assessment Notes

Taxonomic notes

Diversispora aurantia previously assigned as Glomus aurantium.  Mature spores of D. aurantia are deep orange, globose to subglobose, (70-)98(-120) μm diam, or ovoid, 80-120 x 110-150 μm. Their wall consists of a permanent, flexible to semiflexible, hyaline outermost layer, easily separating from a laminate, deep orange middle layer, and a flexible, hyaline innermost layer. Spores of G. xanthium usually are tightly adherent to roots and frequently occur within roots. They are light yellow to ochre, globose to subglobose, (23-)50(-70) μm diam or ovoid, 20-55 x 45-100 μm, and have a spore wall with a rigid, semi-permanent, hyaline to light yellow outermost layer adherent to a rigid, permanent, hyaline middle layer, and a laminate, light yellow to yellow ochre innermost layer.yellowish white (4A2) when young, deep orange (5A7-8) at maturity, to golden yellow (5B8) when older; globose to subglobose; (70-)98(-120) µm diam; sometimes ovoid; 80-120 x 110-150 µm; with a single subtending hypha.


Why suggested for a Global Red List Assessment?

Due to the lack of adequate information to make a direct or indirect assessment of its risk of extinction, based on its distribution and / or population status, I would suggest that this species be categorized as insufficient data (DD).


Geographic range

Distributed in 8 countries with 24 occurrence recorded in GBIF. There are about 24 records in 8 countries (GBIF).


Population and Trends

Glomus aurantium was discovered in a trap culture with a rhizosphere soil of Cenothera drummondi Hook colonizing dunes of the Mediterranean Sea adjacent to Tel-Aviv. In Brazil, this species was registered in the states of Ceará.

Population Trend:


Habitat and Ecology

In Brazil, this species is registered in Atlantic rainforest.

Subtropical/Tropical Moist Lowland Forest

Threats

This species is associated with biomes that have high rates of anthropic disturbance, such as deforestation. This condition may indicate a risk.

Housing & urban areasTourism & recreation areas

Conservation Actions

The multiplication of this fungus in the laboratory, being kept in the inoculum bank represents an advance for the conservation of this species.

Resource & habitat protectionHabitat & natural process restoration

Research needed

More studies are needed that address the ecology of the species and its hosts, in addition to increasing data on its distribution.

TaxonomyLife history & ecology

Use and Trade


Bibliography

BŁASZKOWSKI, Janusz et al. Glomus aurantium and G. xanthium, new species in Glomeromycota. Mycotaxon, v. 90, n. 2, p. 447-467, 2004.
MAIA, Leonor Costa et al. Species diversity of Glomeromycota in Brazilian biomes. Sydowia, v. 72, p. 181-205, 2020.


Country occurrence

Regional Population and Trends

Country Trend Redlisted