| Beginning Week | Ending Week |
| Include County in Result Set | |
| Unduplicated Species List (NOR=hits per species) | |
For the purposes of this search, each month has been divided into 4 weeks, with each week labeled A, B, C, or D. To search for all plants flowering the first three weeks of March, the beginning date would be 03a and the ending date would be 03c. | |
Leave the ending week field blank to isolate a single week. | |