Liliales
Family: Alstroemeriaceae
–No subordinate taxa
Family: Campynemataceae
–No subordinate taxa
Family: Colchicaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Wurmbea robusta | B.Nord. | (rediscovered) | Western Cape Province, South Africa | Rediscovered | Access |
Family: Corsiaceae
–No subordinate taxa
Family: Liliaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Calochortus indecorus | Ownbey & M.Peck | Sexton Mountain mariposa lily, Sexton Mt. mariposa lily | 1948 | Sexton Mountain, Josephine County, Oregon, USA | Extinct | Access |
| Calochortus monanthus | Ownbey | Single-flowered mariposa lily, Shasta River mariposa lily | 1876 | California (northern), USA | Extinct | Access |
| Fritillaria adamantina | M.Peck | ? | USA | Invalid (synonym) | Access | |
|
Lilium concolor mutsuanum
|
Makino | ? | Tohoku region, Japan | Extinct in the wild | Access | |
| Lilium nobilissimum | (Makino) Makino | ? | Kuchino-shima, Tokara Islands, Japan | Extinct in the wild | Access | |
| Tulipa aximensis | Baker | (rediscovered) | France & Switzerland | Rediscovered | Access | |
| Tulipa billietiana | Jord. | ? | France | Invalid (synonym) | Access | |
| Tulipa marjolletii | E.P.Perrier & Songeon | ? | France | Invalid (synonym) | Access | |
| Tulipa planifolia | Jord. | ? | France | Invalid (synonym) | Access | |
| Tulipa sprengeri | Baker, 1894 | pre-1914 | Amasya region, Turkey | Extinct in the wild | Access |
Family: Melanthiaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Paris birmanica | (Takht.) H.Li & Noltie | (rediscovered) | Myanmar (=Burma) | Rediscovered | Access |
Family: Petermanniaceae
–No subordinate taxa
Family: Philesiaceae
–No subordinate taxa
Family: Ripogonaceae
–No subordinate taxa
Family: Smilacaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Smilax leptanthera | Pennell | - | ? | Georgia, USA | Invalid (synonym) | Access |
|
Smilax turbans |
F.T.Wang & Tang | - | (rediscovered) | Arunachal Pradesh, India | Rediscovered | Access |