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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 |
| Citation | Annotation |
|---|---|
| Creighton W. S., 1950: 424. | distribution, type information, placed in subgenus Lasius (Chthonolasius) |
| Gregg R. E., 1963: 808. | distribution |
| Smith M. R., 1967: 343-374. | cataloged |
| Wheeler G. C., Wheeler J., 1963: 326. | description, distribution |
| Coovert G. A., 2005: 125, 127. | description, keyed, distribution |
| Determiner(s) | # of Records |
|---|---|
| Ivanov, K. Y. (Kal Y.) | 2 |
| Collecting Method | # of Records |
|---|---|
| none specified | 2 |