| Title | Flora of the Northern and Middle Sections of the United States: or a systematic arrangement and description of all the plants hither to discovered in the United States north of Virginia |
| Abbreviation | Fl. N. Middle United States |
| Authors | John Torrey |
| Publication Dates | Volume 1; part 1: 1-144. Sep 1823; part 2: 145-518. 1824 |
| Place of publication | New York |
| Publisher | Printed and sold by T. and J. Swords |
| URL | http://books.google.com/books?vid=HARVARD32044106349855&printsec=titlepage#v=onepage&q&f=false |
| TL2 | 14.751 |
| HOLLIS | 006412079 |
| Remarks | Description: xii, 518 p. |
The Harvard University Herbaria hold 4 type specimens of taxa described in this publication
Cyperus diandrus Torrey [Isotype] 1823, 60Cyperus dentatus Torrey [Isotype] 1823, 61
Fuirena squarrosa var. pumila Torrey [Isotype] 1823, 68
Poa dentata Torrey [Isosyntype] 1823, 107