| Pterigynandraceae | |
Pterigynandrum filiforme var. asiaticum
| Thér. | Rev. Bryol., n.s. 1: 8. 8 | 1928 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. cochlearifolium
| (Arnell & C.E.O. Jensen) H. Möller | Ark. Bot. 15(2): 92 | 1918 |
| Pterigynandraceae | * |
Pterigynandrum filiforme var. crassius
| Hartm. ex Paris | Index Bryol. 1041 | 1898 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. cristatum
| (Hampe) Lesq. & James | Man. Mosses N. America 289 | 1884 |
| Pterigynandraceae | |
Pterigynandrum filiforme subsp. decipiens
| (F. Weber & D. Mohr) Kindb. | Canad. Rec. Sci. 6: 20 | 1894 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. decipiens
| (F. Weber & D. Mohr) Limpr. | Laubm. Deutschl. 2: 786 | 1895 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. dismieri
| Thér. | Rev. Bryol., n.s. 1: 8. 9 | 1928 |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. filescens
| (Boulay) Mönk. | Laubm. Eur. 852 | 1927 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. filescens
| Boulay | Musc. France, Mousses 171 | 1884 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. filiforme
| | | |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. heteropterum
| (Brid.) Krahmer | Mitth. Thüring. Bot. Vereins, n.s. 40: 32 | 1931 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. heteropterum
| (Brid.) Schimp. | Bryol. Eur. 5: 122. 466 b (fasc. 46–47 Mon. 4. 1 b) | 1851 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. majus
| (De Not.) De Not. | Comment. Soc. Crittog. Ital. 2: 304 [Cronaca Briol. Ital. 2: 38] | 1867 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. mexicanum
| Thér. | Rev. Bryol., n.s. 1: 9. f. 10 | 1928 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. minus
| Lesq. & James | Man. Mosses N. America 289 | 1884 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. montanense
| Wheld. | Rev. Bryol. 32: 7 | 1905 |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. papillosulum
| (Müll. Hal. & Kindb.) Grout | Moss Fl. N. Amer. 3: 197 | 1934 |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. papillosulum
| (Müll. Hal. & Kindb.) Grout | Moss Fl. N. Amer. 3: 197 | 1934 |
| Pterigynandraceae | |
Pterigynandrum filiforme subsp. papillosulum
| (Müll. Hal. & Kindb.) Kindb. | Canad. Rec. Sci. 6: 20 | 1894 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. papillosulum
| (Müll. Hal. & Kindb.) Thér. | Rev. Bryol., n.s. 1: 4 | 1928 |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. propaguliferum
| C.E.O. Jensen | Meddel. Grønland 15: 438 | 1898 |
| Pterigynandraceae | * |
Pterigynandrum filiforme fo. propaguliferum
| Mönk. | Laubm. Eur. 852 | 1927 |
| Pterigynandraceae | ** |
Pterigynandrum filiforme var. propaguliferum
| Dism. | Bull. Soc. Géogr. Archéol. Oran 63 | 1953 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. pyrenaicum
| J.J. Amann | Bull. Soc. Vaud. Sci. Nat. 53: 114 | 1920 |
| Pterigynandraceae | * |
Pterigynandrum filiforme var. saelanii
| Paris | Index Bryol. 1041 | 1898 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. sardoum
| Herzog | Ber. Zürcherischen Bot. Ges. 9: 53 | 1905 |
| Pterigynandraceae | ** |
Pterigynandrum filiforme fo. saxicola
| Roll | Hedwigia 56: 224 | 1915 |
| Pterigynandraceae | * |
Pterigynandrum filiforme fo. subtile
| Roll | Hedwigia 56: 224 | 1915 |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. subtile
| (G. Roth ex Zodda) Podp. | Consp. Musc. Eur. 649 | 1954 |
| Pterigynandraceae | |
Pterigynandrum filiforme var. subtile
| G. Roth ex Zodda | Malpighia 21: 34 | 1907 |
| Pterigynandraceae | ** |
Pterigynandrum filiforme fo. tenellum
| E. Bauer | Musci Eur. & Amer. Exsic. 2195 | 1932 |
| Pterigynandraceae | |
Pterigynandrum filiforme fo. tenerrimum
| Schlieph. ex Limpr. | Laubm. Deutschl. 788 | 1895 |