Diversity of Myxomycetes in arid zones of Peru part II: the cactus belt and transition zones

Authors

DOI:

https://doi.org/10.3989/ajbm.2520

Keywords:

Amoebozoa, cactus belt, distribution, Eumycetozoa, plasmodial slime moulds

Abstract


The results obtained from a second survey for Myxomycetes in the arid areas of Peru are reported. A total of 37 localities from the cactus belt (‘cardonal’), between 1500 and 3000 m a.s.l., were sampled over six years. This survey is based on 601 identifiable collections of myxomycetes, developed in the field under natural conditions or those that were recovered from moist chamber cultures. In total, 84 taxa representing 19 genera were recorded. One new species, Cribraria spinispora Lado & D.Wrigley sp. nov., is described, three species new to South America and 22 additional new species for Peru are reported as well. Endemic plants, expecially cacti, had a particular relevance as myxomycete substrates. The predominance of the order Physarales T.Macbr. in arid areas is reinforced. Comments are included on some collections, as well as SEM micrographs of several species. A statistical evaluation of the diversity of myxomycetes in the cardonal area and a comparison of this area with the dry coastal desert of Peru and other Neotropical xeric environments are also included. Results show that the arid areas are rich in myxomycetes, and that each area has a unique assemblage. The differences appear to be related to the host plants.

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Published

2019-12-30

How to Cite

Lado, C., Wrigley de Basanta, D., Estrada-Torres, A., Stephenson, S. L., & Treviño, I. (2019). Diversity of Myxomycetes in arid zones of Peru part II: the cactus belt and transition zones. Anales Del Jardín Botánico De Madrid, 76(2), e083. https://doi.org/10.3989/ajbm.2520

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