S. petiolaris

S. petiolaris may refer to:
 * Salix petiolaris, a species in the genus Salix
 * Siparuna petiolaris, a species in the genus Siparuna
 * Solidago petiolaris, a goldenrod species in the genus Solidago
 * Stemonoporus petiolaris, a species of plant endemic to Sri Lanka
 * Synaphea petiolaris, a species in the genus Synaphea