Synonymy:
Agaricus bitorquis var. robynsianus (Heinem.) Boisselet & Courtec., Docums Mycol. 34(nos 135-136): 48 (2008)

Position in classification:
Agaricus, Agaricaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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