H. flavescens

H. flavescens may refer to:


 * Haliclona flavescens, a marine demosponge
 * Halisidota flavescens, a North American moth
 * Haloa flavescens, a bubble snail
 * Halone flavescens, an Indian moth
 * Haminoea flavescens, a bubble snail
 * Harpalus flavescens, a ground beetle
 * Hedychium flavescens, a perennial ginger
 * Helcystogramma flavescens, a Russian moth
 * Heleophis flavescens, a water snake
 * Heliothis flavescens, an African moth
 * Hesperilla flavescens, an Australian butterfly
 * Heteroclinus flavescens, a Pacific clinid
 * Heteronygmia flavescens, a tussock moth
 * Hibana flavescens, an anyphaenid sac spiders
 * Homoranthus flavescens, a myrtle endemic to New South Wales
 * Hoplopheromerus flavescens, a robber fly
 * Hygrocybe flavescens, a waxy cap
 * Hygrophorus flavescens, a waxy cap
 * Hyllus flavescens, a jumping spider
 * Hylorana flavescens, a true frog
 * Hymenopappus flavescens, a North American plant
 * Hypocnemis flavescens, a South American antbird
 * Hypoestes flavescens, a flowering plant
 * Hypomyces flavescens, a parasitic fungus