La-de-da		christianae x jasminiflorum
Lady Clare	R	(konori var. phaeopeplum x viriosum) x leucogigas
Lady Di		christianae x jasminiflorum
Lake Amaru	R	konori x laetum
Lake Habbema	R	gardenia x ((konori var. phaeopeplum x viriosum) x zoelleri)
Lake Toba	R	(konori x laetum) x aequabile
Lake Wissel	R	Dr. Hermann Sleumer x herzogii
Lamachris		(viriosum x macgregoriae) x christianae
Lana's Gold	R	(christianae x laetum) x (laetum x zoelleri 'Golden Gate')
Larissa		Cameo Spice x Robs Favourite
Latona	R	Princess Beatrice x multicolor
Laura		((leucogigas x zoelleri) x (laetum x zoelleri)) x Gardenia Odyssey
Laura Kate	R	superbum x Dr. Hermann Sleumer
Laura's Love
Lavender Cloud		Highland Arabesque x retivenium
Lawrence	R	viriosum x commonae (as pseudonitens)
Lazarus	R	(aurigeranum x Dr. Hermann Sleumer) x konori
Lemon Light		Princess Alexandra x konori
Lemon Lovely		retivenium x Oriana
Lemon Minuet	R	(laetum x gracilentum) x gracilentum
Lemon Spice		[(leucogigas x zoelleri) x (laetum x zoelleri)] x Gardenia Odyssey
Leon Bloy	R	konori x zoelleri
Leonore Frances	R	(macgregoriae x aurigeranum) x Dr. Hermann Sleumer
Liberty Bar	R	viriosum x aurigeranum
Lilac Time		orbiculatum x unknown
Lilinoe	R	(zoelleri x leucogigas) x Dr. Hermann Sleumer
Lion Heart		Bengal Merchant x Dr. Hermann Sleumer
Lipstick		konori x unknown
Little Beauty	R	Monarch x malayanum
Little Bo Peep		macgregoriae x anagalliflorum
Little Ginger	R	stenophyllum x unknown
Little Grace
Little Kisses		Rosy Chimes x Oriana
Little Maria		viriosum x St.Valentine
Little Nell	R	wrightianum x Dr. Hermann Sleumer
Little One	R	Sunny x rubineiflorum
Little Pinkie	R	(viriosum x macgregoriae) x loranthiflorum
Little Pioneer		viriosum x virgatum
Little Rosie	R	(laetum x aurigeranum) x rubineiflorum
Littlest Angel	R	viriosum x pauciflorum
Lizzie		Jungle Beauty x Strawberry Parfait
Lochmaris		(viriosum x macgregoriae) x christianae
Lochmin	R	viriosum x jasminiflorum
Lolita		(intranervatum x Pink Delight) x javanicum
Lollipop		(konori var. phaeopeplum x leucogigas) x phaeochitum
Lolly Willows	R	konori x laetum
Lomac		viriosum x macgregoriae
Lomachris		(viriosum x macgregoriae) x christianae
Lord Hillingdon
Lord of the Rings		Bold Janus x Leonore Frances
Lord Wolseley	R	Duchess of Teck x javanicum
Lou Searle		macgregoriae x dielsianum
Love-Me-Tender		konori x unknown
Love-Me-True		konori x unknown
Lovey	R	konori x ((konori var. phaeopeplum x viriosum) x zoelleri)
Lucie Sorensen	R	macgregoriae x bagobonum
Lucifer's Blush	R	laetum x unknown
Lullaby	R	jasminiflorum x unknown
Lulu	R	unknown
Luralie		luraluense x saxifragoides natural hybrid
Luteo-roseum	R	javanicum x Princess Alexandra