| Anastrophyllaceae | |
Barbilophozia quadriloba fo. cephalozielloides
| (R.M. Schust.) Potemkin | Novosti Sist. Nizsh. Rast. 28: 150 | 1992 |
| Anastrophyllaceae | |
Barbilophozia quadriloba var. collenchymatica
| (R.M. Schust.) Stotler & Crand.-Stotl. | Bryologist 80: 410 | 1977 |
| Anastrophyllaceae | |
Barbilophozia quadriloba fo. glareosa
| (Jørg.) Potemkin | Bot. Zhurn. (Moscow & Leningrad) 75: 1744 | 1990 |
| Anastrophyllaceae | |
Barbilophozia quadriloba var. glareosa
| (Jørg.) Lammes | Fl. Fennica 6: 49 | 1977 |
| Anastrophyllaceae | |
Barbilophozia quadriloba fo. quadriloba
| | | |
| Anastrophyllaceae | |
Barbilophozia quadriloba var. quadriloba
| | | |