Saxifragales
Family: Altingiaceae
–No subordinate taxa
Family: Aphanopetalaceae
–No subordinate taxa
Family: Cercidiphyllaceae
–No subordinate taxa
Family: Crassulaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Aeonium mascaense | D. Bramwell, 1982 | ? | Tenerife, Canary Islands, North Africa | Extant? | Access | |
| Crassula alcicornis | Schönl. | (rediscovered) | South Africa | Rediscovered | Access | |
| Crassula subulata hispida | Tölken | Montagu Bihair stonecrop | (rediscovered) | Cape Province, South Africa | Rediscovered | Access |
|
Dudleya traskiae |
(Rose) Moran | Santa Barbara Island liveforever | (rediscovered) | Santa Barbara Island, Channel Islands, California, USA | Rediscovered | Access |
| Echeveria laui | Moran & J.Meyrán | ? | Oaxaca, Mexico | Rediscovered or extinct in the wild | Access | |
| Echeveria tobarensis | Berger, 1930 | (rediscovered) | near Tova (=Toba), Durango, Mexico | Rediscovered | Access | |
| Graptopetalum bellum | (Moran & J.Meyrán) D.R.Hunt | Chihuahua flower | ? | Sierra Obscura, Chihuahua, Sonora State, Mexico | Extinct in the wild | Access |
| Hylotelephium sieboldii ettyuense | (Tomida) H. Ohba | (rediscovered) | Toyama Prefecture, Japan | Rediscovered | Access | |
| Kalanchoe angustifolia | A. Rich. | ? | Ethiopia | Invalid (synonym) | Access | |
| Kalanchoe dinklagei | Rauh | (rediscovered) | Madagascar | Rediscovered | Access | |
| Kalanchoe fadeniorum | Raadts | ? | Kenya (southern) | Extinct in the wild | Access | |
| Sedum pinetorum | Brandegee | (rediscovered) | California, USA | Invalid (synonym) | Access | |
| Sedum polystriatum | R.T.Clausen | ? | Anatolia, Turkey | Missing | Access |
Family: Cynomoriaceae
–No subordinate taxa
Family: Daphniphyllaceae
–No subordinate taxa
Family: Grossulariaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Ribes albifolium |
Ruiz & Pav. | 1778–1788 | Peru | Missing | Access | |
| Ribes divaricatum parishii | (A. Heller) Jeps. | Straggly gooseberry | 1963 or 1980 | California, USA | Extinct | Access |
| Ribes kolymense |
(Trautv.) Kom.
|
? | Russia | Extinct | Access |
Family: Haloragaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Gonocarpus intricatus
|
(Benth.) Orchard | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Gonocarpus pycnostachyus | (F.Muell.) Orchard | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Haloragis platycarpa | Benth., 1864 | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Haloragis scoparia | Fenzl | 100+ years ago | Western Australia, Australia | Missing | Access | |
| Haloragis stricta | R.Br. ex Benth. | (rediscovered) | New South Wales & Queensland, Australia | Rediscovered | Access | |
| Haloragis tenuiflora | Benth. | (rediscovered) | Western Australia, Australia | Rediscovered | Access | |
| Haloragodendron lucasii | (Maiden & Betche) Orch. | (rediscovered) | New South Wales, Australia | Rediscovered | Access | |
| Myriophyllum axilliflorum | Baker | 1928 | Madagascar | Missing | Access | |
| Myriophyllum sparsiflorum | C.Wright | ? | Cuba | Extinct | Access | |
| Myriophyllum trifidum | (Nees) M.L.Moody & D.H.Les, 2010 | Three-lobed meziella | (rediscovered) | Western Australia (southwest), Australia | Rediscovered | Access |
Family: Hamamelidaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Maingaya malayana | Oliver | (rediscovered) | Malaysia | Rediscovered | Access | |
| Parrotia subaequalis | (H. T. Chang) R. M. Hao & H. T. Wei, 1998 | - | China | Rediscovered | Access |
Family: Iteaceae
–No subordinate taxa
Family: Paeoniaceae
–No subordinate taxa
Family: Penthoraceae
–No subordinate taxa
Family: Peridiscaceae
–No subordinate taxa
Family: Saxifragaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Astilbe crenatiloba | (Britton) Small | Roan Mountain false goat’s beard | 1888 | North Carolina and Tennessee, USA | Extinct | Access |
| Lithophragma maximum | Bacig. | (rediscovered) | California, USA | Rediscovered | Access | |
| Mitella prostrata | Michx. | ? | ? | Invalid (synonym) | Access | |
|
Saxifraga duthiei
|
Gand | ? | Pakistan | Missing | Access | |
| Saxifraga oppositifolia amphibia | (Sünd.) Br.-Bl. | Before 1956 (1960's?) | Lake Konstanz, Switzerland | Missing | Access |
Family: Tetracarpaeaceae
–No subordinate taxa