1) 'Nom. inval.' (= nomen invalidum, = invalid name) refers to a name not published in accordance with rules enumerated in the International Code for algae, fungi and plants.
2) 'Nom. nud.' (= nomen nudum) refers to a name published without a diagnosis or description.
Comments and References:
Zheng R.-Y. et al. (2007)
Zheng RY, Chen GQ, Huang H, Liu XY. A monograph of Rhizopus. Sydowia. 2007;59(2):273-372. PubMed PMID: WOS:000253476800007.
Note: Taxonomy updated based on literature review 10/27/2021 - Rhizopus arrhizus is the oldest available name for this species.
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Disclaimer: The NCBI taxonomy database is not an authoritative
source for nomenclature or classification - please consult the
relevant scientific literature for the most reliable information.
Reference: How to cite this resource - Schoch CL, et al. NCBI Taxonomy: a comprehensive
update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.