Penstemon cinerascens Greene Leafl. Bot. Observ. Crit. 1: 161 (1906)

Nomenclatural References

• person : Edward Lee Greene (1843-1915) Based on occurrence of standard abbreviation 'Greene' in the authors string.
• database : IPNI record: 808040-1
• database : The Plant List version 1.0, record: kew-2550747
• database : The Plant List version 1.1, record: kew-2550747