Explore 62,425 Species

meadow stars

Hesperochiron californicus (Benth.) S.Watson

Hesperochiron californicus (syn. Hesperochiron nanus) is a flowering plant nativ…

dwarf hesperochiron

Hesperochiron pumilus (Griseb.) Porter

Hesperochiron pumilus is a flowering plant species native to parts of British Co…

Ivy-leaved Bellflower

Hesperocodon hederaceus (L.) Eddie & Cupido

Ivy-leaved bellflower, Hesperocodon hederaceus, is a small perennial flowering p…

Marin dwarf-flax

Hesperolinon congestum (A.Gray) Small

Hesperolinon congestum is a small annual wildflower first documented in the San …

Needle-and-thread Grass

Hesperostipa comata (Trin. & Rupr.) Barkworth

Hesperostipa comata is a North American perennial bunchgrass with hygroscopic se…

porcupine needlegrass

Hesperostipa spartea (Trin.) Barkworth

Hesperostipa spartea is a North American perennial bunchgrass with deep roots an…

chaparral yucca

Hesperoyucca whipplei (Torr.) Trel.

Hesperoyucca whipplei is a monocarpic yucca native to southwest North America wi…

water star-grass

Heteranthera dubia (Jacq.) MacMill.

Heteranthera dubia is a variable perennial aquatic plant native to North and Cen…

Blue Mudplantain

Heteranthera limosa (Sw.) Willd.

Heteranthera limosa is a polymorphic annual aquatic plant with a range extending…

Kidneyleaf mud plantain

Heteranthera reniformis Ruiz & Pav.

Heteranthera reniformis is a flowering plant in the Pontederiaceae family native…

western pearlflower

Heterocodon rariflorum Nutt.

Heterocodon rariflorum is the only species in the monotypic genus Heterocodon, a…

Toyon

Heteromeles arbutifolia (Lindl.) M.Roem.

Heteromeles arbutifolia, commonly called toyon, is a California-native evergreen…

parsleytree

Heteromorpha arborescens (Thunb.) Cham. & Schltdl.

Danyang aster

Heteropappus altaicus (Willd.) Novopokr.

Heteropappus altaicus (also called Aster altaicus) is a perennial Asteraceae pla…

tanglehead

Heteropogon contortus (L.) P.Beauv. ex Roem. & Schult.

Heteropogon contortus is a widespread tropical perennial tussock grass with both…

lemonyellow false goldenaster

Heterotheca camporum (Greene) Shinners

Lemonyellow false goldenaster (Heterotheca camporum) is a North American perenni…

Hoary False Goldenaster

Heterotheca canescens (DC.) Shinners

Heterotheca canescens, hoary goldenaster, is a North American flowering plant in…

Telegraphweed

Heterotheca grandiflora Nutt.

Heterotheca grandiflora is a bristly yellow-flowered Asteraceae species native t…

Rayless False Goldenaster

Heterotheca oregona (Nutt.) Shinners

Heterotheca oregona is a bristly perennial herb with four varieties, native to w…

sessileflower false goldenaster

Heterotheca sessiliflora (Nutt.) Shinners

Heterotheca sessiliflora, sessileflower false goldenaster, is a variable perenni…

Camphorweed

Heterotheca subaxillaris (Lam.) Britton & Rusby

Heterotheca subaxillaris, or camphorweed, is a perennial aromatic herb widesprea…

Hairy False Goldenaster

Heterotheca villosa (Pursh) Shinners

Heterotheca villosa, or hairy golden aster, is a yellow-flowered North American …

Spanish Shawl

Heterotis rotundifolia (Sm.) Jacq.-Fél.

Heterotis rotundifolia is an African flowering shrub used as an ornamental groun…

American alumroot

Heuchera americana L.

Heuchera americana L., or American alumroot, is a popular ornamental ground cove…