| Umbilicus aetneus Tornab. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus affinis Schrenk |
Synonym |
 |
TRO |
| Umbilicus aizoon Fenzl |
Synonym |
 |
TRO |
| Umbilicus albido-opacus Carlström |
Unresolved |
 |
WCSP (in review) |
| Umbilicus alpestris Kar. & Kir. |
Synonym |
 |
TRO |
| Umbilicus botryoides Hochst. ex A.Rich. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus chloranthus Heldr. & Sart. ex Boiss. |
Accepted |
 |
WCSP (in review) |
| Umbilicus chrysanthus Boissier & Heldreich ex Boissier |
Synonym |
 |
TRO |
| Umbilicus citrinus Wolley-Dod |
Unresolved |
 |
WCSP (in review) |
| Umbilicus coutinhoi Mariz |
Synonym |
 |
WCSP (in review) |
| Umbilicus cyprius Holmboe |
Synonym |
 |
TRO |
| Umbilicus deflexus Pomel |
Unresolved |
 |
WCSP (in review) |
| Umbilicus denticulatus Turcz. ex A.Boriss. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus elymaiticus Boissier & Haussknecht |
Synonym |
 |
TRO |
| Umbilicus erectus DC. [Illegitimate] |
Synonym |
 |
WCSP (in review) |
| Umbilicus erubescens Maxim. |
Synonym |
 |
TRO |
| Umbilicus ferganicus Popov |
Unresolved |
 |
WCSP (in review) |
| Umbilicus fimbriatus (Turcz.) Turcz. |
Synonym |
 |
TRO |
| Umbilicus gaditanus Boiss. |
Synonym |
 |
WCSP (in review) |
| Umbilicus gendjnamensis Stapf |
Synonym |
 |
TRO |
| Umbilicus giganteus Batt. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus glaber Regel & Winkl. |
Synonym |
 |
WCSP (in review) |
| Umbilicus globulariifolius Fenzl |
Synonym |
 |
TRO |
| Umbilicus haussknechtii Boissier & Reuter |
Synonym |
 |
TRO |
| Umbilicus heylandianus Webb & Berthel. |
Accepted |
 |
WCSP (in review) |
| Umbilicus heylandianus var. coutinhoi (Mariz) A.Fern. |
Synonym |
 |
WCSP (in review) |
| Umbilicus hispidus (Lam.) DC. [Illegitimate] |
Synonym |
 |
WCSP (in review) |
| Umbilicus horizontalis (Guss.) DC. |
Accepted |
 |
WCSP (in review) |
| Umbilicus horizontalis subsp. gaditanus (Boiss.) Losa & Rivas Goday |
Synonym |
 |
WCSP (in review) |
| Umbilicus horizontalis var. intermedius (Boiss.) D.F.Chamb. |
Synonym |
 |
WCSP (in review) |
| Umbilicus intermedius Boiss. |
Accepted |
 |
WCSP (in review) |
| Umbilicus lampusae Kotschy |
Unresolved |
 |
WCSP (in review) |
| Umbilicus lassithiensis Gand. |
Synonym |
 |
WCSP (in review) |
| Umbilicus leucanthus (Ledeb.) G.Don |
Synonym |
 |
WCSP (in review) |
| Umbilicus leucanthus (Ledeb.) Ledeb. |
Synonym |
 |
TRO |
| Umbilicus libanoticus (Labill.) De Candolle |
Synonym |
 |
TRO |
| Umbilicus libanoticus var. connivens POST |
Synonym |
 |
TRO |
| Umbilicus libanoticus var. glaber Boiss. |
Synonym |
 |
TRO |
| Umbilicus libanoticus var. lineatus (Boiss.) POST |
Synonym |
 |
TRO |
| Umbilicus libanoticus f. major Bornm. |
Synonym |
 |
TRO |
| Umbilicus libanoticus var. pauciflorus Boiss. |
Synonym |
 |
TRO |
| Umbilicus libanoticus var. steudelii Boiss. |
Synonym |
 |
TRO |
| Umbilicus lievenii (Ledeb.) Ledeb. |
Synonym |
 |
TRO |
| Umbilicus linearifolius Franch. |
Synonym |
 |
TRO |
| Umbilicus lineatus Boiss. |
Synonym |
 |
TRO |
| Umbilicus lineolatus Boiss. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus linifolius Ost.-Sack. & Rupr. |
Synonym |
 |
TRO |
| Umbilicus luteus (Huds.) Webb & Berthel. |
Accepted |
 |
WCSP (in review) |
| Umbilicus malacophyllus (Pall.) DC. |
Synonym |
 |
TRO |
| Umbilicus maroccanus Gand. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus mexicanus Schltdl. |
Synonym |
 |
TRO |
| Umbilicus micranthus Pomel |
Unresolved |
 |
WCSP (in review) |
| Umbilicus microstachyum Kotschy |
Unresolved |
 |
WCSP (in review) |
| Umbilicus mirus (Pamp.) Greuter |
Unresolved |
 |
WCSP (in review) |
| Umbilicus multicaulis Boiss. & Buhse |
Synonym |
 |
TRO |
| Umbilicus neglectus (Cout.) Rothm. & P.Silva |
Synonym |
 |
WCSP (in review) |
| Umbilicus oppositifolius Ledeb. |
Synonym |
 |
TRO |
| Umbilicus oreades Decne. |
Synonym |
 |
TRO |
| Umbilicus oxypetalus Boiss. |
Synonym |
 |
TRO |
| Umbilicus pallidiflorus Holmboe |
Synonym |
 |
TRO |
| Umbilicus pallidus Schott & Kotschy |
Synonym |
 |
TRO |
| Umbilicus paniculatus E. Regel & Schmalhausen |
Synonym |
 |
TRO |
| Umbilicus paniculiformis Wickens |
Unresolved |
 |
WCSP (in review) |
| Umbilicus papillosa (Aitch. & Hemsl. ex Aitch.) Boiss. |
Synonym |
 |
TRO |
| Umbilicus parviflorus (Desf.) DC. |
Accepted |
 |
WCSP (in review) |
| Umbilicus patens Pomel |
Synonym |
 |
WCSP (in review) |
| Umbilicus patulus Candargy |
Unresolved |
 |
WCSP (in review) |
| Umbilicus patulus Pomel |
Unresolved |
 |
WCSP (in review) |
| Umbilicus pendulinus DC. |
Synonym |
 |
WCSP (in review) |
| Umbilicus pendulinus var. truncatus W. Dod |
Synonym |
 |
TRO |
| Umbilicus pendulinus var. velenovskyi Rohl |
Synonym |
 |
TRO |
| Umbilicus persicus Boiss. |
Synonym |
 |
TRO |
| Umbilicus pestalozzae Boiss. |
Synonym |
 |
TRO |
| Umbilicus platyphyllus Schrenk |
Synonym |
 |
TRO |
| Umbilicus platyphyllus E. Regel & Herder |
Synonym |
 |
TRO |
| Umbilicus platyphyllus Boiss. |
Synonym |
 |
TRO |
| Umbilicus praealtus (Brot.) Mariz |
Synonym |
 |
WCSP (in review) |
| Umbilicus pubescens G.Don |
Unresolved |
 |
WCSP (in review) |
| Umbilicus pulvinatus Ruprecht |
Synonym |
 |
TRO |
| Umbilicus racemosus Freyn |
Synonym |
 |
TRO |
| Umbilicus radicans Klotzsch in Klotzsch & Garcke |
Synonym |
 |
TRO |
| Umbilicus radiciflorus Steud. ex Boiss. |
Synonym |
 |
TRO |
| Umbilicus ramosissimus Maxim. |
Synonym |
 |
TRO |
| Umbilicus rodriguezii Gand. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus rupestris (Salisb.) Dandy |
Accepted |
 |
WCSP (in review) |
| Umbilicus rupestris subsp. gaditanus (Boiss.) O.Bolòs, X.Font & X.Pons |
Synonym |
 |
WCSP (in review) |
| Umbilicus rupestris var. truncatus (W. Dod) Rowley |
Accepted |
 |
TRO |
| Umbilicus rupestris var. velenovskyi (Rohl) Rowley |
Accepted |
 |
TRO |
| Umbilicus samium (D'Urville) De Candolle |
Accepted |
 |
TRO |
| Umbilicus schmidtii Bolle |
Unresolved |
 |
WCSP (in review) |
| Umbilicus sedoides (DC.) DC. |
Synonym |
 |
WCSP (in review) |
| Umbilicus semenovii Regel & Herder |
Synonym |
 |
TRO |
| Umbilicus semiensis J. Gay ex A. Richard |
Synonym |
 |
TRO |
| Umbilicus sempervivum (M. Bieberstien) De Candolle |
Synonym |
 |
TRO |
| Umbilicus serpentinicus Werdermann |
Synonym |
 |
TRO |
| Umbilicus serratus (L.) DC. |
Synonym |
 |
WCSP (in review) |
| Umbilicus serratus (L.) De Candolle |
Synonym |
 |
TRO |
| Umbilicus sessilis Dulac |
Synonym |
 |
WCSP (in review) |
| Umbilicus simplex K.Koch |
Unresolved |
 |
WCSP (in review) |
| Umbilicus spathulatus Hook.f. & Thomson |
Unresolved |
 |
WCSP (in review) |
| Umbilicus spinosus (L.) DC. |
Synonym |
 |
WCSP (in review) |
| Umbilicus sprunerianus Boiss. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus stamineus Ledeb. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus stevenii Ledeb. ex A.Boriss. [Invalid] |
Synonym |
 |
WCSP (in review) |
| Umbilicus strangulatus (Font Quer) A.Berger |
Synonym |
 |
WCSP (in review) |
| Umbilicus subspicatus Freyn |
Synonym |
 |
TRO |
| Umbilicus subulatus (C.A.Mey.) G.Don |
Synonym |
 |
WCSP (in review) |
| Umbilicus subulatus (C.A. Mey.) Ledeb. |
Synonym |
 |
TRO |
| Umbilicus tenuicaulis (Aitch. & Hemsl. ex Aitch.) Boiss. |
Synonym |
 |
TRO |
| Umbilicus thyrsiflorus (Fisch.) DC. |
Synonym |
 |
WCSP (in review) |
| Umbilicus tropaeolifolius Boiss. |
Accepted |
 |
TRO |
| Umbilicus tuberculosus DC. ex Steud. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus turkestanicus Regel & Winkler |
Synonym |
 |
TRO |
| Umbilicus umbilicatus (Lam.) Breistr. |
Unresolved |
 |
WCSP (in review) |
| Umbilicus vulgaris Batt. & Trab. |
Synonym |
 |
WCSP (in review) |
| Umbilicus winkleri Willk. |
Synonym |
 |
WCSP (in review) |