| Special Geographical Unit: | Torreya State Park |
| Verbatim Directions to Locality: | Trail between Gregory House and Rock Creek Primitive Camping Area, Torreya State Park. |
| Habitat: | Rich, mesic pine-hardwood woods; overstory of Pinus glabra, Pinus taedd, Cornus florida, Fagus grandifolia, Carpinus, Tilia americana, Magnolia grandiflora, Carya, and Ulmus. |
| Plant Morphology Observations: | Plant cespitose; reddish at base. |
| Non digital information?: | N |
| Identifier's Name: | A. Gholson Jr. |
| Text Identification Date: | 4-1-1984 |
| Formal Identification Date: | 1984-04-01 |
| Lowest Rank Identified: | Species |
| Identification History: | Carex amphibola |
| Determinavit: | det. |
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| Identifier's Name: | Robert F.C. Naczi |
| Text Identification Date: | 1992 |
| Lowest Rank Identified: | Species |
| Identification History: | Carex planispicata Naczi |
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| Identifier's Name: | Robert F.C. Naczi |
| Text Identification Date: | 1995 |
| Lowest Rank Identified: | Genus |
| Identification Qualifier: | aff. |
| Further Identification Comments: | (Name not yet decided.) |
| Identification History: | Carex new taxon aff. C. planispicata Naczi |
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| Identifier's Name: | Loran C. Anderson |
| Text Identification Date: | May 2003 |
| Lowest Rank Identified: | Species |
| Further Identification Comments: | [cited by Naczi] |
| Identification History: | Carex thornei Naczi |
| Determinavit: | det. |
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