Rudbeckia graminifolia explained

Rudbeckia graminifolia, the grassleaf coneflower, is a species of flowering plant. It grows in parts of the Florida Panhandle.^{[1] [2] [3]} It produces tubular disc flowers, which go on to form seeds and ray flowers. The flowering plants have been spotted in wet roadside ditches.^[4]

Notes and References

1. Web site: Plants Profile for Rudbeckia graminifolia (grassleaf coneflower). plants.usda.gov.
2. Web site: Rudbeckia graminifolia - Species Details. Atlas of Florida Plants.
3. SYNOPSIS OF RUDBECKIA SUBGENUS RUDBECKIA. Perdue, Robert E.. 1957. Rhodora. 59. 708. 293-299. JSTOR.
4. Web site: Wildflower Alert: Grassleaf coneflower ............... Kathy. Foster. August 17, 2018.