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CCDB → Bryophytes → Pottiaceae → Crossidium
| Taxon name | Status | Median (n) |
| Crossidium squamiferum var. pottioideum (D. Not.) Mönk. | Accepted | 24 |
| Crossidium chloronotos (Brid.) Limpr. | Synonym of Crossidium crassinervia (D. Not.) Jur. | 24 |
| Crossidium griseum (Jur.) Jur. | Synonym of Crossidium squamiferum var. pottioideum (D. Not.) Mönk. | 24 |