Random triples
| Subject | Object |
|---|---|
| gptkb:Ferns | Prothallus |
| gptkb:pteridophytes | independent |
| gptkb:Polypodiophytina | prothallus |
| gptkb:Lycopodiopsida | independent |
| gptkb:Psilotopsida | subterranean and non-photosynthetic |
| gptkb:Funaria | dominant phase |
| gptkb:whisk_ferns | subterranean and non-photosynthetic |
| gptkb:Psilotum_complanatum | subterranean |
| gptkb:Pteridophytes | independent |
| gptkb:Psilotum | subterranean |
| gptkb:Pteridophyta | independent |
| gptkb:gymnosperms | reduced |