| Classification | Polemoniaceae: Polemonium | 
| Harvard University Herbaria Barcode(s) | 00954979 | 
| Type Status | Isotype | 
| Collector | O. K. Lakela | 
| Collector number | 5575 | 
| Country | United States of America | 
| State | Minnesota | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Minnesota | 
| Locality | near the road, 3.5 miles north of Sturgeon Lake Observation Tower, 25 miles north of Hibbing, St. Louis County, Minn. | 
| Date Collected | 1944-07-02 | 
| Habitat | in arbor vitae swamp | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/713d4805-0209-43a4-8c37-5f2cf5c7a6b2 | 
| Harvard University Herbaria Barcode | 00954979 | 
| Herbarium | GH | 
| Previous ownership | [Ex] Herbarium of the University of Minnesota | 
| Family | Polemoniaceae | 
| Type Status | Isotype | 
| Isotype of | Polemonium occidentale subsp. lacustre Wherry | 
| Verified by | Kittredge, Walter Tobey | 
| Date Determined | 2018 | 
| Determination Remarks | [filed under] [current name] | 
| Taxon Reference | (for  Polemonium occidentale subsp. lacustre Wherry) Amer. Midl. Naturalist 1945. 34: 376. | 
| Family | Polemoniaceae | 
| Determination | Polemonium caeruleum subsp. occidentale (Greene) J. F. Davidson | 
| Determined by | Davidson, John Fraser | 
| Date Determined | 1947 | 
| Family | Polemoniaceae | 
| Determination | Polemonium occidentale var. lacustre (Wherry) Lakela | 
| Determined by | [annotation on sheet] | 
| Family | Polemoniaceae | 
| Determination | Polemonium occidentale subsp. lacustre Wherry | 
| Determination Remarks | [label name] | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |