| Option ID | Family Name | Notes | Metadata ID |
| 641 | Theliaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 642 | Thuidiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 643 | Timmiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 644 | Trachypodaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 645 | Treubiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 646 | Trichocoleaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 647 | Trichotemnomataceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 648 | Vandiemeniaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 649 | Vetaformaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 650 | Viridivelleraceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 651 | Wardiaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 652 | Wiesnerellaceae | Bryophytes (Mosses and liverworts) | 1,594 |
| 653 | Alariaceae | Algae family | 1,603 |
| 654 | Apidae | Bee family | 1,604 |
| 655 | Bangiaceae | Algae. Synonym: Enythrotrichiaceae | 1,605 |
| 656 | Fomitopsidaceae | Fungi family | 1,606 |
| 657 | Gelidiellaceae | Algae family | 1,607 |
| 658 | Gracilariaceae | Algae family | 1,608 |
| 659 | Parmeliaceae | Fungi. Synonyms: Alectoriaceae (Hue) Tomas., Anziaceae M. Sato, 1939, Cetrariaceae Schaer., 1850, Corniculariaceae Schaer., 1850, Everniaceae Tomas., 1897, Hypogymniaceae Poelt Ex Elix, 1980, Usneaceae Zenker | 1,609 |
| 660 | Physalacriaceae | Fungi family | 1,610 |