Quick answer: 15 native Nevada plants have a recorded bloom range that includes September.
15 species
- Apache plume Fallugia paradoxa · 6 states
- Aspen fleabane Erigeron speciosus · 3 states
- Blue grama Bouteloua gracilis · 15 states
- Buffalograss Bouteloua dactyloides · 9 states
- Cardinal flower Lobelia cardinalis · 37 states
- Fireweed Chamerion angustifolium · 28 states
- Pearly everlasting Anaphalis margaritacea · 18 states
- Rocky Mountain bee plant Peritoma serrulata · 22 states
- Scarlet gilia Ipomopsis aggregata · 9 states
- Scarlet globemallow Sphaeralcea coccinea · 5 states
- Shrubby cinquefoil Dasiphora fruticosa ssp. floribunda · 15 states
- Sideoats grama Bouteloua curtipendula · 25 states
- Swamp milkweed Asclepias incarnata · 25 states
- Switchgrass Panicum virgatum · 24 states
- Wyoming Indian paintbrush Castilleja linariifolia · 4 states