| Herbarium ID: NHIC |
| Accession Number: MJO8488 |
| Scientific Name: Helianthus giganteus L. |
| Family Name: Asteraceae |
| Location: Approx. 2 km N of Minnesota border and 1 km NW of junction of Hwy 593/597, near Arrow River, Ont. |
| District Located: not specified |
| Longitude\Latitude: 89.69 W \ 48.03 N |
| Habitat: Open ground. |
| Notes: Rare, flowering, called Helianthus strumosus by A.A. Reznicek in 1997. |
| Collector: M.J. Oldham & W. Bakowsky |
| Collection Number: 17718 |
| Collection Date: 4-Aug-1995 |
| Determined by: M.J. Oldham |
| Annotation by: P.W. Ball 1995. |
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