Lycopodiophyta (Clubmosses, Firmosses and Quillworts)
Order: Isoetales
Family: Isoetaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Isoetes amazonica | A.Braun (1880) | - | (rediscovered) | Tapajós river near Santarém municipality, Pará, Brazil | Rediscovered | Access |
| Isoetes bradei | Herter (1949) | - | October 1921 or later | Sudeste, São Paulo [& ?Minas Gerais], Brazil | Missing or Extinct | Access |
|
Isoetes dixitii
|
Shende. (1945) | - | (rediscovered) | Karanataka & Maharashtra, Western Ghats, India | Rediscovered(?) | Access |
| Isoetes gardneriana | Kunze ex A.Braun (1862) | - | (rediscovered) | Terenos, Mato Grosso do Sul & Dianópolis, Tocantins, Brazil | Rediscovered | Access |
| Isoetes haussknechtii | Troìa & Greuter (2015) | Greek quillwort | (rediscovered) | Greece | Rediscovered | Access |
| Isoetes heldreichii | Wettst. (1886) | Pindus quillwort | July 1885 | Pindos Mountains, Greece | Missing or Extinct | Access |
|
Isoetes louisianensis |
Thieret (1973) | Louisiana quillwort | (rediscovered) | Alabama, Louisiana & Mississippi, USA | Rediscovered | Access |
| Isoetes philippinensis | Merr. & L.M. Perry (1940) | kabauing-bauing, lunsay | (rediscovered) | Olangu river, Barangay Angayen, Municipality of Baloi, Lanao del Norte, Mindanao, Philippines | Rediscovered | Access |
| Isoetes sampathkumarnii | L.N.Rao (1944) | - | ? | Bangalore district, Karnataka, India | Extinct or Invalid (synonym) | Access |
| Isoetes sinensis | Palmer (1927) | Narrow quillwort | - | China (Jiangsu, Anhui, Zhejiang), Korea & Japan | Erroneously listed as Missing | Access |
Order: Lycopodiales
Family: Lycopodiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Huperzia changii |
(T.Y.Hsieh) Ralf Knapp (2014) | Chang's hanging firmoss | 2010 | eastern Taiwan | Extinct in the Wild | Access |
| Huperzia rubra | (Cham. & Schltdl.) Trevis. (1875 "1874") | Red hanging firmoss | (rediscovered) | Bahia & Minas Gerais, Brazil | Rediscovered | Access |
Order: Selaginellales
Family: Selaginellaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Selaginella orizabensis | Hieron. (1902) | 1855 | Veracruz, Mexico | Extinct | Access | |
|
Selaginella serratosquarrosa |
Quansah (1989) | - | 1948 | Cameroon | Missing | Access |
|
Selaginella serrulata |
(Desv.) Spring (1849) | - | 1890's | Mauritius & Réunion, Mascarene Islands | Extinct | Access |
|
Selaginella sparsifolia |
(Desv.) Badré (2008) | - | 1813 | Mauritius, Mascarene Islands | Extinct | Access |
Statistics
| Conservation status | Number of taxa (in percentage) |
| Extinct | 3 (18.75%) |
| Missing | 1 (6.25%) |
| Extinct in the Wild | 1 (6.25%) |
| Possibly Extinct in the Wild | 0 |
| Globally Rediscovered | 6 (37.5%) |
| Rediscovered in the Wild | 0 |
| Reintroduced | 0 |
| Hypothetical | 0 |
| Invalid | 0 |
| Erroneously listed | 1 (6.25%) |
| Uncertain status | 4 (25%) |
| Total | 16 |