The current taxonomy version is ott3.6 (click for more information). See the OTT documentation for an explanation of the taxon flags used below, e.g., extinct
Morchella esculenta var. roseostraminea if:563907 (OTT id 5452609)
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life > cellular organisms > Eukaryota > Opisthokonta > Nucletmycea > Fungi > h2007-2 > h2007-1 > Dikarya > Ascomycota > saccharomyceta > Pezizomycotina > Pezizales > Morchellaceae > Morchella