All Species in Caltha
- Caltha alba (Caltha alba)
- Caltha appendiculata (Caltha appendiculata)
- Caltha biflora (Caltha biflora)
- Caltha chionophila (Caltha chionophila)
- Caltha dionaeifolia (Caltha dionaeifolia)
- Caltha dysosmoides (Caltha dysosmoides)
- Caltha introloba (Caltha introloba)
- Caltha novae-zelandiae (Caltha novae-zelandiae)
- Caltha obtusa (Caltha obtusa)
- Caltha palustris var. barthei (Caltha palustris var. barthei)
- Caltha palustris var. himalaica (Caltha palustris var. himalaica)
- Caltha palustris var. palustris (Caltha palustris var. palustris)
- Caltha palustris var. umbrosa (Caltha palustris var. umbrosa)
- Caltha phylloptera (Caltha phylloptera)
- Caltha sagittata (Caltha sagittata)
- Caltha scaposa (Caltha scaposa)
- Caltha sinogracilis (Caltha sinogracilis)
- Caltha × goodalliana (Caltha × goodalliana)
- Floating Marsh Marigold (Caltha natans)
- White Marsh Marigold (Caltha leptosepala)
- Yellow Marsh Marigold (Caltha palustris)