We have used those names which we think will be most familiar to fern growers. However, there are many synonyms in use and there have been major changes in nomenclature in the Blechnaceae, Cheilanthes and other ferns. This table lists many of these alternative names. This table can be sorted and searched
| Name in Questionnaire | Synonym |
|---|---|
| Blechnum attenuatum | Lomaridium attenuatum |
| Blechnum auratum | Lomariocycas aurata |
| Blechnum brasiliense | Neoblechnum brasiliense |
| Blechnum capense | Parablechnum capense |
| Blechnum chambersii | Austroblechnum lanceolatum |
| Blechnum cordatum (Syn. B. chilense) | Parablechnum cordatum |
| Blechnum cycadifolium | Lomariocycas cycadifolia |
| Blechnum discolor | Lomaria discolor |
| Blechnum fernandezianum | Austroblechnum fernandezianum |
| Blechnum filiforme | Icarus filiformis |
| Blechnum fluviatile | Cranfillia fluviatilis |
| Blechnum fraseri | Diploblechnum fraseri |
| Blechnum gibbum | Oceanopteris gibba |
| Blechnum longicauda | Cranfillia longicauda |
| Blechnum magellanicum | Lomariocycas magellanica |
| Blechnum microphyllum | Austroblechnum microphyllum |
| Blechnum minus | Parablechnum minus |
| Blechnum mochaenum | Austroblechnum lechleri |
| Blechnum montanum | Parablechnum montanum |
| Blechnum novae-zelandiae | Parablechnum novae-zelandiae |
| Blechnum nudum | Lomaria nuda |
| Blechnum palmiforme | Lomariocycas palmiformis |
| Blechnum penna-marina | Austroblechnum penna-marina |
| Blechnum procerum | Parablechnum procerum |
| Blechnum tabulare | Lomariocycas tabularis |
| Blechnum vulcanicum | Cranfillia vulcanica |
| Blechnum wattsii | Parablechnum wattsii |
| Cheilanthes argentea | Aleuritopteris argentea |
| Cheilanthes eatonii | Myriopteris rufa |
| Cheilanthes farinosa | Aleuritopteris farinosa |
| Cheilanthes lanuginosa var. fibrillosa | Myriopteris x fibrillosa |
| Cheilanthes lindheimeri | Myriopteris lindheimeri |
| Cheilanthes microphylla var. fimbriata | Myriopteris fimbriata |
| Cheilanthes myriophylla | Myriopteris myriophylla |
| Cheilanthes tomentosa | Myriopteris tomentosa |
| Cheilanthes villosa | Myriopteris windhamii |
| Cheilanthes wootonii | Myriopteris wootonii |
| Cyathea australis | Alsophila australis |
| Cyathea brownii | Sphaeropteris excelsa |
| Cyathea cooperi | Sphaeropteris cooperi |
| Cyathea dregei | Alsophila dregei |
| Cyathea gleichenioides | Alsophila gleichenioides |
| Cyathea medullaris | Sphaeropteris medullaris |
| Cyathea tomentosissima | Sphaeropteris tomentosissima |
| Deparia japonica | Lunathyrium japonicum |
| Drynaria sinica | Aglaomorpha baronii |
| Humata heterophylla | Davallia heterophylla |
| Humata tyermanii | Davallia tyermanii |
| Matteuccia orientalis | Pentarhizidium orientale |
| Notholaena cinnamomea | Myriopteris cinnamomea |
| Notholaena marantae | Paragymnopteris marantae |
| Notholaena newberryi | Myriopteris newberryi |
| Notholaena parryi | Myriopteris parryi |
| Osmunda asiatica | Osmundastrum asiaticum |
| Osmunda cinnamomea | Osmundastrum cinnamomeum |
| Osmunda claytoniana | Claytosmunda claytoniana |
| Osmunda spectabilis | Osmunda gracilis |
| Osmunda spectabilis | Osmunda regalis var. spectabile |
| Pellaea scabra | Myriopteris scabra |
| Polystichum lepidocaulon | Cyrtomidictyum lepidocaulon |
| Polystichum sinense | Polystichum alticola |
| Pteris alabamensis | Myriopteris alabamensis |
| Pteris aurea | Myriopteris aurea |
| Pteris lendigera | Myriopteris lendigera |
| Pteris notholaenoides | Myriopteris notholaenoides |
| Stegnogramma tottoides | Cyclosorus tottoides |
| Thelypteris kunthii | Christella normalis |
| Thelypteris noveboracensis | Parathelypteris noveboracensis |
| Woodwardia areolata | Lorinseria areolata |
| Woodwardia virginica | Anchistea virginica |
