| Option ID | Family Name | Notes | Metadata ID |
| 621 | Rigodiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 622 | Rutenbergiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 623 | Scapaniaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 624 | Schistochilaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 625 | Schistostegaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 626 | Scorpidiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 627 | Seligeriaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 628 | Sematophyllaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 629 | Serpotortellaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 630 | Sorapillaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 631 | Sphaerocarpaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 632 | Sphagnaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 633 | Spiridentaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 634 | Splachnaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 635 | Splachnobryaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 636 | Stereophyllaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 637 | Takakiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 638 | Targioniaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 639 | Tetraphidaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 640 | Thamnobryaceae | Bryophytes (Mosses and liverworts) | 1,594 |