All Species in Calyptridium
- Calyptridium arizonicum (Calyptridium arizonicum)
- Calyptridium hesseae (Calyptridium hesseae)
- Calyptridium martirense (Calyptridium martirense)
- Calyptridium nevadense (Calyptridium nevadense)
- Common Pussypaws (Calyptridium monandrum)
- Fourpetal Pussypaws (Calyptridium quadripetalum)
- Mariposa Pussypaws (Calyptridium pulchellum)
- Mt. Hood Pussypaws (Calyptridium umbellatum)
- Oneseed Pussypaws (Calyptridium monospermum)
- Parry's Pussypaws (Calyptridium parryi)
- Pygmy Pussypaws (Calyptridium pygmaeum)
- Rosy Pussypaws (Calyptridium roseum)