Bluntleaved orchid (Platanthera oligantha)
Same genus
- Northern green orchid (Platanthera aquilonis)
- White fringed orchid (Platanthera blephariglottis)
- Shortflowered bog orchid (Platanthera brevifolia)
- Chapman's fringed orchid (Platanthera chapmanii)
- Chimissso's orchid (Platanthera chorisiana)
- Yellow fringed orchid (Platanthera ciliaris)
- Small green wood orchid (Platanthera clavellata)
- Crested yellow orchid (Platanthera cristata)