Saccm

Saccolabium

Sand

Sanderara

Sapp

Sappanara

Sarc

Sarcanthus

Sarco

Sarcochilus

Satm

Satyrium

Sbgcm

Sobennigraecum

Sbk

Sobennikoffia

Sc

Sophrocattleya

Scgl

Scaphyglottis

Schfa

Schafferara

Schom

Schomburgkia

Sctt

Scottara

Scu

Scullyara

Sdra

Sauledaara

Sev

Severinara

Sfdra

Stanfieldara

Sgdm

Sigmacidium

Sgka

Sagarikara

Sgmx

Sigmatostalix

Sgra

Segerara

Sgrt

Siegeristara

Shgra

Shigeuraara

Shipm

Shipmanara

Shn

Sheehanara

Shva

Shiveara

Sidr

Sidranara

Silpa

Silpaprasertara

Sjma

Sanjumeara 

Sl

Sophrolaelia

Slad

Sladeara

Slc

Sophrolaeliocattleya

Smbc

Schombocattleya

Smbcna

Schombocatonia

Smbdcm

Schombodiacrium

Smbep

Schomboepidendrum

Smbl

Schombolaelia

Smbna

Schombonia

Smbts

Schombonitis

Smbv

Schombavola

Smlp

Schaombolaeliopsis

Soph

Sophronitis

Spa

Spathoglottis

Spla

Saplalaara

Sran

Sarcomoanthus

Srctm

Sarcocentrum

Srdts

Saridestylis

Srka

Srisukara

Srnps

Sarconopsis

Srps

Serapias

Srth

Sarcothera

Srts

Sartylis

Srv

Sarcovanda

Srza

Sarcorhiza

Staal

Staalara

Stac

Stacyara

Stan

Stanhopea

Stga

Stangora

Stlma

Stellamizutaara

Stmra

Stamariaara

Stncn

Stanhocycnis

Stwt

Stewartara

Sut

Sutingara

Sxa

Seahexa

Sya

Sallyyeeara

Syma

Symmonsara