| afghanistan | | alyssum stapfii | species | 2 | 0 |
| albania | | alyssum chalcidicum | species | 4 | 0 |
| albania | berat county | alyssum chalcidicum | species | 1 | 0 |
| albania | elbasan county | alyssum chalcidicum | species | 7 | 0 |
| albania | elbasan county | alyssum murale | species | 1 | 0 |
| albania | korce county | alyssum chalcidicum | species | 5 | 0 |
| albania | korce county | alyssum desertorum | species | 2 | 0 |
| albania | kukes county | alyssum chalcidicum | species | 1 | 0 |
| albania | lezhe county | alyssum chalcidicum | species | 1 | 0 |
| albania | shkoder county | alyssum chalcidicum | species | 1 | 0 |
| armenia | | alyssum ochroleucum | species | 2 | 0 |
| armenia | | alyssum persicum | species | 1 | 0 |
| bosnia and herzegovina | | alyssum moellendorfianum | species | 6 | 0 |
| bulgaria | | alyssum murale | species | 1 | 0 |
| bulgaria | | alyssum orbelicum | species | 1 | 0 |
| bulgaria | blagoevgrad province | alyssum murale | species | 1 | 0 |
| bulgaria | blagoevgrad province | alyssum orbelicum | species | 1 | 0 |
| bulgaria | pernik province | alyssum pirinicum | species | 1 | 0 |
| canada | british columbia | alyssum alyssoides | species | 2 | 0 |
| canada | ontario | alyssum alyssoides | species | 4 | 0 |
| canada | ontario | alyssum murale | species | 2 | 0 |
| canada | saskatchewan | alyssum desertorum | species | 2 | 0 |
| canada | yukon | alyssum obovatum | species | 4 | 0 |
| china | | alyssum dasycarpum | species | 7 | 0 |
| china | | alyssum desertorum | species | 10 | 0 |
| china | | alyssum linifolium | species | 3 | 0 |
| cyprus | | alyssum troodi | species | 2 | 0 |
| cyprus | | alyssum umbellatum | species | 2 | 0 |
| egypt | south sinai governorate | alyssum homalocarpum | species | 15 | 0 |
| egypt | south sinai governorate | alyssum minutum | species | 3 | 0 |
| france | | alyssum alyssoides | species | 1 | 0 |
| france | aquitaine region | alyssum montanum | species | 52 | 0 |
| france | corse region | alyssum montanum | species | 30 | 0 |
| georgia | kakheti region | alyssum strigosum | species | 3 | 0 |
| greece | | alyssum chalcidicum | species | 1 | 0 |
| greece | | alyssum corymbosoides | species | 1 | 0 |
| greece | | alyssum euboeum | species | 1 | 0 |
| greece | | alyssum fallacinum | species | 2 | 0 |
| greece | | alyssum fragillimum | species | 1 | 0 |
| greece | | alyssum heldreichii | species | 1 | 0 |
| greece | | alyssum sibiricum | species | 1 | 0 |
| greece | | alyssum siculum | species | 3 | 0 |
| greece | | alyssum smolikanum | species | 1 | 0 |
| greece | | alyssum sp. gutermann 35267 | species | 1 | 0 |
| greece | | alyssum strigosum | species | 1 | 0 |
| greece | central greece region | alyssum baldaccii | species | 3 | 0 |
| greece | central greece region | alyssum densistellatum | species | 71 | 0 |
| greece | central greece region | alyssum euboeum | species | 1 | 0 |
| greece | central greece region | alyssum sibiricum | species | 1 | 0 |
| greece | central macedonia region | alyssum chalcidicum | species | 1 | 0 |
| greece | central macedonia region | alyssum handelii | species | 1 | 0 |
| greece | crete region | alyssum fallacinum | species | 1 | 0 |
| greece | crete region | alyssum fragillimum | species | 1 | 0 |
| greece | crete region | alyssum minutum | species | 11 | 0 |
| greece | crete region | alyssum siculum | species | 21 | 0 |
| greece | crete region | alyssum simplex | species | 4 | 0 |
| greece | epirus region | alyssum chalcidicum | species | 1 | 0 |
| greece | epirus region | alyssum smolikanum | species | 2 | 0 |
| greece | west macedonia region | alyssum corymbosoides | species | 1 | 0 |
| greece | west macedonia region | alyssum heldreichii | species | 10 | 0 |
| hungary | budapest | alyssum montanum subsp. gmelinii | subspecies | 3 | 0 |
| iran | | alyssum baumgartnerianum | species | 1 | 0 |
| iran | | alyssum bracteatum | species | 2 | 0 |
| iran | | alyssum contemptum | species | 1 | 0 |
| iran | | alyssum corningii | species | 1 | 0 |
| iran | | alyssum desertorum | species | 1 | 0 |
| iran | | alyssum inflatum | species | 3 | 0 |
| iran | | alyssum lanigerum | species | 3 | 0 |
| iran | | alyssum linifolium | species | 1 | 0 |
| iran | | alyssum niveum | species | 1 | 0 |
| iran | | alyssum penjwinense | species | 1 | 0 |
| iran | | alyssum singarense | species | 1 | 0 |
| iran | | alyssum sp. fs-2016 | species | 1 | 0 |
| iran | | alyssum stapfii | species | 1 | 0 |
| iran | | alyssum strigosum | species | 1 | 0 |
| iran | | alyssum sulphureum | species | 1 | 0 |
| iran | | alyssum tetrastemon | species | 1 | 0 |
| iran | fars province | alyssum bracteatum | species | 1 | 0 |
| iran | fars province | alyssum heterotrichum | species | 1 | 0 |
| iran | fars province | alyssum inflatum | species | 1 | 0 |
| iran | fars province | alyssum szovitsianum | species | 1 | 0 |
| iran | razavi khorasan province | alyssum corningii | species | 3 | 0 |
| iran | razavi khorasan province | alyssum harputicum | species | 3 | 0 |
| iran | razavi khorasan province | alyssum lepidoto-stellatum | species | 3 | 0 |
| iran | razavi khorasan province | alyssum niveum | species | 1 | 0 |
| iran | razavi khorasan province | alyssum paphlagonicum | species | 3 | 0 |
| iran | razavi khorasan province | alyssum sulphureum | species | 3 | 0 |
| iran | razavi khorasan province | alyssum tetrastemon | species | 5 | 0 |
| iran | tehran province | alyssum polycladum | species | 1 | 0 |
| iraq | | alyssum penjwinense | species | 2 | 0 |
| iraq | | alyssum stapfii | species | 2 | 0 |
| italy | | alyssum nebrodense | species | 1 | 0 |
| italy | aosta valley autonomous region | alyssum montanum | species | 12 | 0 |
| italy | emilia-romagna region | alyssum argenteum | species | 4 | 0 |
| italy | piemonte region | alyssum argenteum | species | 31 | 0 |
| italy | piemonte region | alyssum murale | species | 5 | 0 |
| italy | sardinia autonomous region | alyssum robertianum | species | 1 | 0 |
| italy | sardinia autonomous region | alyssum tavolarae | species | 3 | 0 |
| italy | sicily autonomous region | alyssum nebrodense | species | 2 | 0 |
| italy | sicily autonomous region | alyssum siculum | species | 3 | 0 |
| italy | tuscany region | alyssum bertolonii | species | 4 | 0 |
| jordan | | alyssum iranicum | species | 2 | 0 |
| kazakhstan | | alyssum lenense | species | 2 | 0 |
| kuwait | | alyssum linifolium | species | 1 | 0 |
| kyrgyzstan | | alyssum dasycarpum | species | 2 | 0 |
| kyrgyzstan | | alyssum linifolium | species | 2 | 0 |
| lebanon | | alyssum praecox | species | 2 | 0 |
| macedonia | kavadarci municipality | alyssum doerfleri | species | 3 | 0 |
| macedonia | kavadarci municipality | alyssum gevgelicense | species | 3 | 0 |
| macedonia | kavadarci municipality | alyssum kavadarcense | species | 3 | 0 |
| macedonia | prilep municipality | alyssum tortuosum | species | 11 | 0 |
| morocco | marrakech-tensift-al haouz | alyssum granatense | species | 8 | 0 |
| pakistan | | alyssum desertorum | species | 1 | 0 |
| portugal | braganca district | alyssum serpyllifolium | species | 0 | 1 |
| portugal | madeira autonomous region | alyssum granatense | species | 9 | 0 |
| romania | | alyssum murale | species | 1 | 0 |
| romania | hunedoara county | alyssum murale | species | 9 | 0 |
| russia | bashkortostan republic | alyssum obovatum | species | 843 | 0 |
| russia | zabaykalsky krai | alyssum obovatum | species | 18 | 0 |
| saudi arabia | | alyssum marginatum | species | 2 | 0 |
| spain | andalusia | alyssum malacitanum | species | 2 | 0 |
| spain | andalusia | alyssum serpyllifolium | species | 2 | 0 |
| switzerland | basel-stadt region | alyssum montanum | species | 2 | 0 |
| syria | | alyssum antilibanoticum | species | 2 | 0 |
| turkey | | alyssum aurantiacum | species | 2 | 0 |
| turkey | | alyssum blepharocarpum | species | 2 | 0 |
| turkey | | alyssum bulbotrichum | species | 1 | 0 |
| turkey | | alyssum caespitosum | species | 2 | 0 |
| turkey | | alyssum contemptum | species | 2 | 0 |
| turkey | | alyssum erosulum | species | 2 | 0 |
| turkey | | alyssum filiforme | species | 2 | 0 |
| turkey | | alyssum floribundum | species | 2 | 0 |
| turkey | | alyssum giosnanum | species | 2 | 0 |
| turkey | | alyssum huetii | species | 2 | 0 |
| turkey | | alyssum lepidotum | species | 1 | 0 |
| turkey | | alyssum macropodum | species | 2 | 0 |
| turkey | | alyssum masmenaeum | species | 2 | 0 |
| turkey | | alyssum montis-stellae | species | 2 | 0 |
| turkey | | alyssum pateri | species | 2 | 0 |
| turkey | | alyssum praecox | species | 2 | 0 |
| turkey | | alyssum samariferum | species | 2 | 0 |
| turkey | | alyssum stylare | species | 1 | 0 |
| turkey | | alyssum sulphureum | species | 1 | 0 |
| turkey | | alyssum xanthocarpum | species | 2 | 0 |
| ukraine | autonomous republic of crimea | alyssum hirsutum | species | 70 | 0 |