Original_Herbarium_Label: Gomphus bonarii (Morse) Singer
Location: Canada, British Columbia, Vancouver Island, Jordan River, Pete Wolf Creek trail
location_detail: forest below the Juan de Fuca trail below Highway # 14
Habitat: secind-growth forest with Tsuga heterophylla, Picea sitchensis & Thuja plicata
Host/Substrate: in soil/duff
Date: 2018-08-05
Collector(s): Oluna Ceska
Identified_by: Oluna Ceska

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Heterotypic synonyms: The zoological equivalent is “subjective synonym”.
By: Oluna & Adolf Ceska (
2018-08-07 20:45:01 PDT (-0700)

The International Code of Nomenclature does not mention “deprecated” and “preferred” synonyms. On the other hand, in botanical nomenclature a heterotypic synonym (or taxonomic synonym) is a synonym that comes into being when a taxon is reduced in status (“reduced to synonymy”) and becomes part of a different taxon. The zoological equivalent is “subjective synonym”.
MO makes a mistake that it does not make any difference between the hetero- and homo-typic synonyms. Please, do not force your heterotypic (subjective) synonyms onto other MO users.

Index/Species Fungorum is wrong and Pulk cannot read it
By: Oluna & Adolf Ceska (
2018-08-07 19:41:26 PDT (-0700)

In Species Fungorum, Gomphus bonarii (Morse) Singer is listed as a heterotypic synonym and has to be “deprecated” (if you insist on MO terminology) with care. In this particular case, it would be great if some mycological scholar would make a transfer of Gomphus bonarii into the genus Turbinellus. If you have ever seen Gomphus bonarii, you would wonder why somebody could treat it as conspecific with Turbinellus floccosus.