| Classification | Aquifoliaceae: Ilex |
| Harvard University Herbaria Barcode(s) | 00269234 |
| Collector | W. T. Kittredge |
| Collector number | 1277 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Medford |
| Locality | Mystic River Watershed, Middlesex Fells Reservation, base of south side of Pine Hill on north side of swamp |
| Georeference | 42° 25' 51.3" N, 71° 6' 18.000" W Method: GPS |
| Date Collected | 2008-01-26 |
| Elevation | 17 m |
| Habitat | Overstory of Red Maple (Acer rubrum), growing with Greenbrier (Smilax rotundifolia) and Arrow-wood (Viburnum dentatum var. lucidum), 2 feet from and ca. 1 foot above water level |
| Substrate | In dark brown organic loam |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/656e0910-aa35-4de1-a7fa-c1d7b063cbfc |
| Harvard University Herbaria Barcode | 00269234 |
| Herbarium | A |
| Family | Aquifoliaceae |
| Determination | Ilex opaca Aiton |
| Determined by | Zika, Peter Francis |
| Date Determined | 2011 |
| Determination Remarks | [current name] |
| Annotation Text | Occasionally with slightly shiny lvs. (Lvs not as dark & shiny as I. aquifolium) |
| Family | Aquifoliaceae |
| Determination | Ilex aquifolium Linnaeus |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2008-05-19 |
| Annotation Text | large lustrous leaves |
| Family | Aquifoliaceae |
| Determination | Ilex opaca Aiton |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Sterile |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
