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| Taxon | Status | Relationship Type |
|---|---|---|
| Lasius (Chthonolasius) umbratus subsp. subumbrata Viereck | Subsequent name/combination | |
| Lasius subumbratus Viereck | Subsequent name/combination | |
| Lasius (Chthonolasius) subumbratus Viereck | Subsequent name/combination | |
| Lasius umbratus subsp. subumbrata Viereck | Subsequent name/combination | |
| Lasius (Chtonolasius) umbratus subumbratus Viereck | Subsequent name/combination | |
| Lasius umbratus subsp. subumbratus Viereck | Subsequent name/combination | |
| Lasius umbratus subumbratus Viereck | Original name/combination | |
| Lasius (Formicina) umbratus subsp. subumbratus Viereck | Subsequent name/combination |
| Determiner(s) | # of Records |
|---|---|
| Taylor, K. J. M. | 1 |
| Gaige, F. M. (Frederick M.) | 10 |
| Collecting Method | # of Records |
|---|---|
| pitfall trap | 1 |
| none specified | 10 |