Asteraceae — Daisy Family
Platyschkuhria integrifolia (A.Gray) Rydb.
Platyschkuhria integrifolia (A.Gray) Rydb.
Platyschkuhria integrifolia, the basindaisy, is the only species in this North American daisy genus native to the western US.
Plectocephalus americanus (Nutt.) D.Don
Plectocephalus americanus (Nutt.) D.Don
Plectocephalus americanus is an annual flowering North American plant often cultivated for its showy blooms.
Pleiacanthus spinosus (Nutt.) Rydb.
Pleiacanthus spinosus (Nutt.) Rydb.
Pleiacanthus spinosus, or thorn skeletonweed, is the only species in the monotypic Asteraceae genus Pleiacanthus, native to the western US.
Pleurocoronis pluriseta (A.Gray) R.M.King & H.Rob.
Pleurocoronis pluriseta (A.Gray) R.M.King & H.Rob.
Pleurocoronis pluriseta, or bush arrowleaf, is an Asteraceae subshrub native to the southwestern US and northern Mexico that grows in desert scrub.
Pluchea baccharis (Mill.) Pruski
Pluchea baccharis (Mill.) Pruski
Rosy camphorweed (Pluchea baccharis) is a perennial pink-purple flowering plant in the Asteraceae family native to the Americas and Bahamas.
Pluchea camphorata (L.) DC.
Pluchea camphorata (L.) DC.
Pluchea camphorata is a small herbaceous native US plant with traditional medicinal uses, listed endangered in Maryland and Ohio.
Pluchea carolinensis (Jacq.) G.Don
Pluchea carolinensis (Jacq.) G.Don
Pluchea carolinensis is a shrub in the Pluchea genus, native to the Americas and Caribbean, naturalized elsewhere, that grows in sun on wet or dry soil.
Pluchea foetida (L.) DC.
Pluchea foetida (L.) DC.
Pluchea foetida is a wetland flowering plant native to the southeastern United States, growing 40 to 100 cm tall.
Pluchea indica (L.) Less.
Pluchea indica (L.) Less.
Pluchea indica (L.) Less. is an invasive coastal branching shrub with biologically active compounds that can neutralize certain snake venoms.
Pluchea odorata (L.) Cass.
Pluchea odorata (L.) Cass.
Pluchea odorata is an aromatic herb, native to the Americas, used as a medicinal herbal tea in parts of the Caribbean.
Pluchea sericea (Nutt.) Coville
Pluchea sericea (Nutt.) Coville
Pluchea sericea, commonly arrowweed, is a riparian evergreen shrub of the southwestern US and northern Mexico with traditional native uses.
Polycalymma stuartii F.Muell. & Sond.
Polycalymma stuartii F.Muell. & Sond.
Polycalymma stuartii, the poached egg daisy, is an 8-week lifecycle annual Australian daisy drought and frost resistant.
Polymnia canadensis L.
Polymnia canadensis L.
Polymnia canadensis, commonly bears foot or small-flowered leafcup, is a perennial flowering plant with distinct leaf shape variation.
Porophyllum gracile Benth.
Porophyllum gracile Benth.
Porophyllum gracile is an aromatic short-lived shrub native to southwestern North America, with documented traditional medicinal uses.
Porophyllum ruderale (Jacq.) Cass.
Porophyllum ruderale (Jacq.) Cass.
Porophyllum ruderale is an edible herbaceous annual grown for its flavoring leaves in Mexico and South America.
Praxelis clematidea (Griseb.) R.M.King & H.Rob.
Praxelis clematidea (Griseb.) R.M.King & H.Rob.
Praxelis clematidea is an annual South American flowering Asteraceae plant, an invasive weed in Florida often confused with two similar blue-flowered species.
Prenanthes purpurea L.
Prenanthes purpurea L.
Prenanthes purpurea, sometimes called purple lettuce, is an Asteraceae flowering plant native from Europe to the Caucasus, described by Linnaeus in 1753.
Psathyrotes annua (Nutt.) A.Gray
Psathyrotes annua (Nutt.) A.Gray
Psathyrotes annua, also called annual psathyrotes, is an aster-family flowering plant native to the western United States that grows in desert and scrub areas.
Psathyrotes ramosissima (Torr.) A.Gray
Psathyrotes ramosissima (Torr.) A.Gray
Psathyrotes ramosissima is a low mounded desert plant native to the southwestern US and northwestern Mexico with yellow disc florets.
Psephellus dealbatus (Willd.) K.Koch
Psephellus dealbatus (Willd.) K.Koch
Psephellus dealbatus is an ornamental flowering plant in Asteraceae, native to Western Asia and introduced to parts of Europe and the US.
Pseudelephantopus spicatus (Juss. ex Aubl.) Rohr
Pseudelephantopus spicatus (Juss. ex Aubl.) Rohr
Pseudelephantopus spicatus is a perennial herb native to the tropical Americas with white to purplish flowers, introduced to other warm regions globally.
Pseudoconyza viscosa (Mill.) D' Arcy
Pseudoconyza viscosa (Mill.) D' Arcy
Pseudoconyza is a monotypic flowering plant genus in Asteraceae, whose only species is native to tropical and subtropical regions.
Pseudognaphalium affine (D.Don) Anderb.
Pseudognaphalium affine (D.Don) Anderb.
Pseudognaphalium affine is a biennial flowering plant widely found in East and Southeast Asia.
Pseudognaphalium biolettii Anderb.
Pseudognaphalium biolettii Anderb.
Pseudognaphalium biolettii is a perennial Asteraceae plant native to western North America’s coastal sage and scrub habitats.
Related Families
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