Oscar W. Gupton

• Fall wildflowers of the Blue Ridge and Great Smoky Mountains
• Trees and shrubs of Virginia
• Wild orchids of the Middle Atlantic States
• Wildflowers of the Shenandoah Valley and Blue Ridge Mountains
• Wildflowers of Tidewater Virginia
• Wildflowers of tidewater Virginia
• Wildflowers of the Shenandoah Valley and Blue Ridge Mountains