Published May 26, 2025
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Morchella rinjaniensis: A Novel Species of Tropical Morchella (Ascomycota, Pezizales, and Morchellaceae) Discovered in UNESCO Rinjani-Lombok Biosphere Reserve, Indonesia.

Creators

  • 1. Research Center for Biosystematics and Evolution, National Research and Innovation Agency of Indonesia, BRIN, Bogor, West Java, Indonesia.
  • 2. Research Center for Applied Microbiology, National Research and Innovation Agency of Indonesia (BRIN), Bogor, West Java, Indonesia.
  • 3. Research Center for Ecology and Ethnobiology, National Research and Innovation Agency of Indonesia (BRIN), Bogor, West Java, Indonesia.
  • 4. Research Collaboration Center For KARST Microbial, The Institution of Research and Community Services, Hasanuddin University, Makassar, South Sulawesi, Indonesia.
  • 5. Research Collaboration Center for Agarwood. School of Life Sciences and Technology - ITB, Bandung, West Java, Indonesia.
  • 6. The Man and Biosphere (MAB)-UNESCO, Kusnoto Building, BRIN, Bogor, West Java, Indonesia.
  • 7. Research Center for Biomass and Bioproduct, National Research and Innovation Agency of Indonesia (BRIN), Bogor, West Java, Indonesia.
  • 8. Mount Rinjani National Park, Lombok, Gunung Rinjani National Park Office, Mataram, West Nusa Tenggara, Indonesia.
  • 9. Research Center for Applied Zoology, National Research and Innovation Agency of Indonesia (BRIN), Cibinong, Bogor, West Java, Indonesia.
  • 10. Bogor Natur Indonesia (BNGi), Bogor, West Java, Indonesia.

Description

A new species of Morchella was described from Mount Rinjani National Park (MRNP), Indonesia, by combining comprehensive morphological characters and molecular data from four genes (ITS, LSU, Tef1, and RPB2). The species is characterized by having large ascomata, with irregular or not parallel pits shaped and ridges; enlarged based stipe; large and spheroidal to broadly spheroidal basidiospores, corrugated or maze-like with a few striations of spore surface. Comparisons with similar taxa were also carried out using morpho-molecular data. Phylogenetic analyses showed the position of Morchella from Mt. Rinjani was confirmed as a new species, and closely related to Morchella galilaea. The descriptions included macro- and micro-characters supplemented by photographs of fresh specimens, SEM images of spore ornamentations, and phylogenetic tree analysis.
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