Without digging very hard for a relevant example, I’m hoping someone can clarify this situation, which doesn’t seem to be very obvious from the Taxon Framework guidance:
In iNaturalist:
- Genus primus
- Genus primus subsp. primus
- Genus primus subsp. secundus
In external source:
- Genus primus (synonym: Genus primus subsp. secundus)
In my mind, the relationship at species rank should be a match (same name, rank, circumscription, and parent), while the subspecies relationships should be deviations, requiring 3 TFRs total:
External Source Relationship Internal Taxon
--------------------------------------------------------------------------
TFR#1 Genus primus Match Genus primus
TFR#2 Genus primus Deviation Genus primus subsp. primus
TFR#3 Genus primus Deviation Genus primus subsp. secundus
--------------------------------------------------------------------------
But I have the uneasy feeling that iNaturalist may be expecting this instead:
External Source Relationship Internal Taxon
--------------------------------------------------------------------------
| Genus primus
|
TFR#1 Genus primus Deviation ---->| Genus primus subsp. primus
|
| Genus primus subsp. secundus
--------------------------------------------------------------------------
Or should it be (remembering the subspecies is explicitly listed in synonymy externally):
External Source Relationship Internal Taxon
--------------------------------------------------------------------------
TFR#1 Genus primus Match Genus primus
TFR#2 (not external) Deviation Genus primus subsp. primus
TFR#3 (not external) Deviation Genus primus subsp. secundus
--------------------------------------------------------------------------
What say the TFR gurus, and why?