- Sanderara Black Star 'Pacific Red Star'
- Sarcochilus ceciliae
- Sarcochilus fitzgeraldii
- Sarcochilus fitzgeraldii x Fitzhart
- Sarcochilus Fitzhart fitzgeraldii x hartmannii
- Sarcochilus hartmannii
- Sarcochilus hartmannii x Fitzhart
- Sarcochilus Rote x Fitzhard
- Schlimmia condorana
-
Schoenorchis fragrans
-
Schoenorchis scolopendria
- Schoenorchis seidenfadenii
- Schomburgkia brysiana
- Schomburgkia crispa
- Schomburgkia crispa albina x SELF
- Schomburgkia fimbriata
- Schomburgkia lueddemanii
- Schomburgkia rosea
- Schomburgkia superbiens alba x SELF
- Schomburgkia superbiens tipo x alba
-
Schomburgkia superbiens tipo x superbiens alba
-
Schomburgkia thomsoniana x Cattleya loddigesii
- Schomburgkia Thomsoniana x Cattleya Penny Kuroda
- Schomburgkia undulata
- Schomburgkia moyobamba
-
Schoomburgkia marginata
- Scuticaria kautskyi
- Scuticaria salesiana
- Scuticaria steelei
- Sedirea japonica
- Sedirea japonica Minmaru Shima
- Sedirea japonica x Vandopsis parishii
- (Sedirea japonica-Vandopsis parishii) x Rhynchostylis gigiantea
- Sediropsis Nagomiyarabi
-
Seidenanda Teddy Bear
-
Seidenfadenia mitrata
- Sievekingia fimbriata
- Sievekingia marsupialis
- Sievekingia reichenbachiana
- Sobennikoffia humbertiana
- Sobennikoffia robusta
- Sobralia atropubescens
- Sobralia crocea
- Sobralia fimbriata
- Sobralia gentryi
- Sobralia liliastrum
- Sobralia luerorum
- Sobralia macrantha
- Sobralia sp. coerulea (Equador) x self
- Sobralia undatocarinata
- Sobralia yauaperyensis
- Sophrocattleya Ann Komine 'Breathless'
- Sophrocattleya Beaufort
- Sophrocattleya Beaufort 'Perfect Circle'
- (Sophrocattleya Beaufort x Laeliocattleya Orglade’s Glow) 'Kewpie'
- Sophrocattleya Candy Ball
- Sophrocattleya Cherry Bee
- Sophrocattleya Chester x Sophronitis cernua
- Sophrocattleya Cosmos
- Sophrocattleya Crystelle Smith 'N R'
- Sophrocattleya George Hardy (Cattleya aclandiae x Sophronitis coccinea)
- Sophrocattleya June Bug 'Venice Sunshine'
- Sophrocattleya Orpetii
- Sophrocattleya Pearllouis (Cattleya bicolor alba x Sophronitis coccinea)
- Sophrocattleya Wendy's Redstone 'Precious'
- Sophrocattleya Wendy's Valentine 'June'
-
Sophrocattleya William Farrel 'Pastel Parade' x SELF
- Sophrolaelia Orpetii 'Bella Vista'
- Sophrolaelia Orpetii 'Hidden Treasure 4n' AM/AOS x Sophrolaelia Mini Pet 'Giant Mini'
- Sophrolaelia Orpetii 'Hidden Treasure 4n' AM/AOS x Sophronitis coccinea 'SVO' AM/AOS
- Sophrolaelia Psyche
- Sophrolaelia Psyche 'China'
- Sophrolaeliocattleya Aloha Jewel 'Tangerine' x Brassolaeliocattleya Guess What 'SVO'
- Sophrolaeliocattleya Angel's Fantasy 'Solar Flair' FCC/AOS x Sophrolaeliocattleya Katherine Clarkson 'SVO' FCC/AOS
- Sophrolaeliocattleya Bella del Caribe (Slc. Angel's Fantasy Solar Flair' FCC/AOS x Sc. Beaufort 'Hartford's Elmwood 4N' AM/AOS)
- Sophrolaeliocattleya Candy Ball x Sophronitis cernua
- Sophrolaeliocattleya Circle of Life 'Mesmerize' AM/AOS x Cattleya coccinea 'Diamond Orchids'
- Sophrolaeliocattleya Circle of Life 'Mesmerize' AM/AOS x Sophrolaeliocattleya Paradise Rose 'My Valentine'
- Sophrolaeliocattleya Circle of Life 'Mesmerize' x Sophrolaeliocattleya Newberry Promise
- Sophrolaeliocattleya Cosmic Dekite
- Sophrolaeliocattleya Dream Catcher
- Sophrolaeliocattleya Durban Rose 'Magnificent' x Potinara Very Vermillion 'SVO'
- Sophrolaeliocattleya Durban Rose 'Magnificent' x Sophrolaeliocattleya Spirit Flare 'SVO Flare'
- Sophrolaeliocattleya Empress of Mercury 'Guo Lun'
- Sophrolaeliocattleya Endless Love 'Eros' (Lc. Tokyo Magic x Slc. Jeweler's Art)
- Sophrolaeliocattleya Exotic Red Extreme (Slc. Seagulls Apricot 'Choice Morsel' x Sl. Minipet 'Giant Sophro')
- Sophrolaeliocattleya Final Touch 'Mendenhall' x Brassolaeliocattleya William Farrell 'Native Son'
- Sophrolaeliocattleya Fire Lighter 'Janet'
- Sophrolaeliocattleya Fire Lighter (Slc. Bright Angel 'Baby C' AM/AOS x Sl. Opretii ' Hidden Treasure 4N' AM/AOS)
- Sophrolaeliocattleya Hawaiian Splash
- Sophrolaeliocattleya Hawaiian Splash 'Lea' (Payche x Mishima Star)
- Sophrolaeliocattleya Hsin Buu Lady 'Red Beauty' (Laelia anceps x Sophrolaeliocattleya Wendy's Valentine)
- Sophrolaeliocattleya Jillian Lee
- Sophrolaeliocattleya Jillian Lee (Sl. Opretii 'Hidden Treasure 4N' AM/AOS x Sc. Beaufort 'Big Circle')
- Sophrolaeliocattleya Jillian Lee (Sl. Orpetii 'Hidden Treasure 4N' AM/AOS x Sc. Beaufort 'Hartford's Elwood 4N' AM/AOS)
- Sophrolaeliocattleya Jillicoc (Sophrolaeliocattleya Jillian Lee x Sophronitis coccinea)
-
Sophrolaeliocattleya Jungle Hotspot 'SVO Splash Spots' x Brassolaeliocattleya Sunspots 'Sandy' AM/AOS
- Sophrolaeliocattleya Kagaribi Dawn 'Red Star' (Kagaribi x Tropic Dawn)
- Sophrolaeliocattleya Katherine Clarkson 'SVO' HCC/AOS x Potinara Dendi's Gem 'SVO Best'
- Sophrolaeliocattleya Katherine Clarkson 'SVO' x Mem Evelyn Paquette 'SVO'
- Sophrolaeliocattleya Katherine Clarkson 'SVO' x Sophrolaeliocattleya Sun Spots 'SVO Best'
- Sophrolaeliocattleya Leopard Lou
- Sophrolaeliocattleya Little Fairy 'Little Fairy'
- Sophrolaeliocattleya Little Hazel 'M'
- Sophrolaeliocattleya Little Hazel 'M' (Slc. Hazel Boyd x Sl. Psyche)
- Sophrolaeliocattleya Love Castle
- (Sophrolaeliocattleya Love Castle x Cattleya Candy Tuft Taffy) 'Chrismas Rose'
- Sophrolaeliocattleya Mae Hawkins 'Miya'
- Sophrolaeliocattleya Mahalo Jack
- Sophrolaeliocattleya Mem Evelyn Paquette 'SVO Hot Spots' x Brassolaeliocattleya Sun Spots 'SVO Best')
- Sophrolaeliocattleya Mem Evelyn Paquette 'SVO' x Sophrolaeliocattleya Katherine Clarkson 'SVO' HCC/AOS
- Sophrolaeliocattleya Million Kiss (L. pumila alba 'Kathleen' AM/AOS x Sc. Beaufort ' Big Circle'
- Sophrolaeliocattleya Mini Apricot 'Scarlet Passion' HCC/AOS x Rhyncholaeliocattleya Higher Multiplier 'SVO Amazing'
- Sophrolaeliocattleya Naomi Kerns 'Fireball'
- Sophrolaeliocattleya Newberry Radiance x Sophrolaeliocattleya Sierra Doll 'Lenette'
- Sophrolaeliocattleya Pink Doll 'Garnet Sea'
- Sophrolaeliocattleya Pink Doll 'Garnet Sea' (Slc. Tangerine Jewel x L. pumila)
- ((Sophrolaeliocattleya Pink Splash x Sophronitis cernua) x Laelia milleri) 'CT-Peach River'
- Sophrolaeliocattleya Pumpkin Festival 'Fong Yuen'
- Sophrolaeliocattleya Sacramento Jewel 'SVO' x Sophrolaeliocattleya Seagulls Apricot 'Choice Morsel'
- Sophrolaeliocattleya Seagull's Apricot 'Choice Morsel' x self
- Sophrolaeliocattleya Sierra Doll
- Sophrolaeliocattleya Sunrise Doll 'Venus'
- Sophrolaeliocattleya Tokyo Life
- Sophrolaeliocattleya Tokyo Life 'SVO' HCC/AOS x Potinara Garnet Velvet FCA 'SVO'
- Sophrolaeliocattleya Tropical Flare 'Magic Fire'
- Sophrolaeliocattleya Tutankamen 'Pop'
- Sophrolaeliocattleya Tutankamen 'Pop' (C. Chocolate Drop x Slc. Mae Hawkins)
- Sophrolaeliocattleya Wendy's Valentine 'June'
- Sophrolaeliocattleya Wendy's Valentine 'OC 200'
- Sophronitis acuensis
- Sophronitis alagoenses
- Sophronitis alagoensis
- Sophronitis bicolor
- Sophronitis bicolor 'Ebani' x Sophronitis bicolor 'Munhol'
- Sophronitis bicolor amarelo x self
- Sophronitis bicolor x xanthoglossa
- Sophronitis brevipedunculata 'Ouro Branco' x brevipedunculata 'Ouro Preto'
- Sophronitis brevipedunculata 'Ouro Branco' x Sophronitis brevipedunculata 'Ouro Preto'
- Sophronitis brevipedunculata flava
- Sophronitis brevipedunculata grande (GM)
- Sophronitis brevipedunculata (SP)
-
Sophronitis cernua
-
Sophronitis cernua amarela x cernua laraja
-
Sophronitis cernua amarelo x amarelo
- Sophronitis cernua amarelo x amarelo (SOC)
-
Sophronitis cernua (SOC)
- Sophronitis cernua var aurea 'Kanae II'
- Sophronitis cernua var mineira
-
Sophronitis coccinea 'Barboletta' x self
- Sophronitis coccinea 'Colibri' x self
- Sophronitis coccinea flava
- Sophronitis coccinea flava Tomiyama
- Sophronitis coccinea var lobbii
- Sophronitis coccinea var. xanthoglossa
- Sophronitis coccinea x Sophronitis coccinea
- Sophronitis grandiflora
- Sophronitis mantiqueirae
- Sophronitis mantiqueirae x brevipedunculata
- Sophronitis organensis (coccinea var. organensis)
- Sophronitis pygmaea
- Sophronitis rosea
- Sophronitis roseum
- Sophronitis violacea
- Sophronitis Wild Fire (Sophronitis coccinea 'SVO' AM/AOS x Sophronitis wittigiana 'Pink Opal' AM/AOS)
- Sophronitis wittigiana
- Sophronitis wittigiana concolor x albescens
- Sophronitis wittigiana x self (SOC)
- Spathoglottis Elizabeth Pink
- Spathoglottis plicata
- Spiranthes cernua
- Spiranthes sinensis
- Spiranthes sinensis alba
- Stanhopea anfracta
- Stanhopea annulata
- Stanhopea Assidensis
- Stanhopea avicula
- Stanhopea candida
- Stanhopea connata
- Stanhopea connata 'Orange Jewel'
- Stanhopea costaricensis
- Stanhopea embreei orange
- Stanhopea embreei x Paphinia herrerae
- Stanhopea florida
- Stanhopea frymirei
- Stanhopea gibbosa
- Stanhopea grandiflora
- Stanhopea greerii
- Stanhopea haseloviana
- Stanhopea hernandezii
- Stanhopea horichiana
- Stanhopea hybrid
- Stanhopea insignis
- Stanhopea jenischiana
- Stanhopea jenischiana x Acineta densa aff
- Stanhopea jenishiana
- Stanhopea lietzei
- Stanhopea Lydia Bush
- Stanhopea maduroi
- Stanhopea martiana
- Stanhopea napoensis
- Stanhopea nigripes
- Stanhopea nigroviolacea
- Stanhopea oculata
- Stanhopea platyceras
- Stanhopea reichenbachiana
- Stanhopea ruckeri
- Stanhopea saccata
- Stanhopea Shinjik
- Stanhopea shuttleworthii
- Stanhopea stevensonii
- Stanhopea tigrina
- Stanhopea tricornis
- Stanhopea wardii
- Stanhopea warszewicziana
- Stanhopea whittenii
- Stanhopea Yolanda Breck
- Stelis argentata
- Stelis eublepharis
- Stelis impostor
- Stelis omalosantha
- Stenoglottis longifolia
- Stenorrhynchos speciosus
- Stereochilus dalatensis