R
- Allium raddeanum
- Allium ramazanicum
- Allium ramosum: Fragrant-flowered Garlic
- Allium rausii
- Allium rechingeri
- Allium reconditum
- Allium recurvatum
- Allium reflexum
- Allium regelianum
- Allium regelii
- Allium registanicum
- Allium regnieri
- Allium renari
- Allium reuterianum
- Allium rhabdotum
- Allium rhetoreanum
- Allium rhizomatum
- Allium rhodanthum
- Allium rhodiacum
- Allium rhodopeum
- Allium rhodopeum ssp. turcicum
- Allium rhynchogynum
- Allium rilaense
- Allium ritsi
- Allium robertianum
- Allium robinsonii : Robinson's Onion
- Allium roborowskianum
- Allium robustum
- Allium roguense
- Allium rollovi
- Allium rosenbachianum
- Allium rosenbachianum ssp. kwakense
- Allium rosenorum
- Allium roseum : Rosy Garlic
- Allium roseum var. coacervatum
- Allium roseum ssp. tourneuxii
- Allium rothii
- Allium rotundum
- Allium rouyi
- Allium rubellum
- Allium rubens
- Allium rubicundum
- Allium rubrifolium
- Allium rubrovittatum
- Allium rubrum
- Allium rudbaricum
- Allium rude
- Allium rudolfii
- Allium ruhmerianum
- Allium runemarkii
- Allium runyonii : Runyon's Onion
- Allium rupestre
- Allium rupestristepposum
- Allium rupicola
- Allium ruprechti
- Allium rydbergii
Read more about this topic: List Of Allium Species