| Hylocomiaceae | |
Rhytidiadelphus squarrosus fo. bipinnatus
| (Warnst.) Podp. | Consp. Musc. Eur. 690 | 1954 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus var. bipinnatus
| (Warnst.) Warnst. | Krypt.-Fl. Brandenburg, Laubm. 920 | 1906 |
| Hylocomiaceae | * |
Rhytidiadelphus squarrosus subsp. calvescens
| (Lindb.) Giacom. | Ist. Bot. Reale Univ. Reale Lab. Crittog. Pavia, Atti 4: 284 | 1947 |
| Hylocomiaceae | * |
Rhytidiadelphus squarrosus var. calvescens
| (Lindb.) Warnst. | Krypt.-Fl. Brandenburg, Laubm. 920 | 1906 |
| Hylocomiaceae | ** |
Rhytidiadelphus squarrosus subsp. eusquarrosus
| Giacom. | Ist. Bot. Reale Univ. Reale Lab. Crittog. Pavia, Atti 4: 284 | 1947 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus fo. fastigiatus
| (Warnst.) Podp. | Consp. Musc. Eur. 690 | 1954 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus var. fastigiatus
| (Warnst.) Warnst. | Krypt.-Fl. Brandenburg, Laubm. 919 | 1906 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus subsp. japonicus
| Reimers | Bot. Jahrb. Syst. 64(5): 559 | 1931 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus fo. robustus
| (Milde ex Limpr.) Podp. | Consp. Musc. Eur. 690 | 1954 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus var. robustus
| (Milde ex Limpr.) Warnst. | Krypt.-Fl. Brandenburg, Laubm. 920 | 1906 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus fo. squarrosus
| | | |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus subsp. squarrosus
| | | |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus var. squarrosus
| | | |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus fo. subsimplex
| (Warnst.) Podp. | Consp. Musc. Eur. 690 | 1954 |
| Hylocomiaceae | |
Rhytidiadelphus squarrosus var. subsimplex
| (Warnst.) Warnst. | Krypt.-Fl. Brandenburg, Laubm. 919 | 1906 |