Chi Nở ngày

Chi Nở ngày hay Chi Bách nhật (danh pháp khoa học: Gomphrena) là chi thực vật có hoa trong họ Amaranthaceae.

==Các loài==
- "Gomphrena affinis" F.Muell. ex Benth.
- "G. affinis" subsp. "pilbarensis" Kanis ex J.Palmer
- "Gomphrena agrestis" Mart.
- "Gomphrena albiflora" Moq.
- "Gomphrena anti-lethargica" Silveira
- "Gomphrena arborescens" L.f.
- "Gomphrena arida" J.Palmer
- "Gomphrena atrorubra" J.Palmer
- "Gomphrena basilanata" Suess.
- "Gomphrena bicolor" Mart.
- "Gomphrena boliviana" Moq.
- "Gomphrena brachystylis" F.Muell.
- "Gomphrena breviflora" F.Muell.
- "Gomphrena caespitosa" Torr.
- "Gomphrena caleyi" Briq.
- "Gomphrena canescens" R.Br.
- "G. canescens" subsp. "erythrina" J.Palmer
- "Gomphrena cardenasii" Standl. ex E.Holzh.
- "Gomphrena celosioides" Mart.
- "G. celosioides" var. "fallax" (Seub.) Pedersen
- "G. celosioides" var. "hygrophila" (Mart.) Pedersen
- "G. celosioides" f. "roseiflora" (Chodat) Pedersen
- "Gomphrena centrota" E.Holzh.
- "Gomphrena chrestoides" C.C.Towns.
- "Gomphrena cinnabarina" Suess.
- "Gomphrena cladotrichoides" Suess.
- "Gomphrena claussenii" Moq.
- "Gomphrena colosacana" Hunz. & Subils
- "Gomphrena conferta" Benth.
- "Gomphrena conica" (R.Br.) Spreng.
- "Gomphrena connata" J.Palmer
- "Gomphrena cucullata" J.Palmer
- "Gomphrena debilis" Mart.
- "Gomphrena decipiens" Seub.
- "Gomphrena demissa" Mart.
- "Gomphrena desertorum" Mart.
- "G. desertorum" var. "mucronata" (Moq.) Stuchlík
- "G. desertorum var. "rodantha" (Moq.) Stuchlík
- "Gomphrena diffusa" (R.Br.) Spreng.
- "Gomphrena discolor" R.E.Fr.
- "Gomphrena duriuscula" Moq.
- "Gomphrena eichleri" J.Palmer
- "Gomphrena elegans" Mart.
- "Gomphrena equisetiformis" R.E.Fr.
- "Gomphrena eriophylla" Mart.
- "Gomphrena ferruginea" Pedersen
- "Gomphrena filaginoides" M.Martens & Galeotti
- "Gomphrena flaccida" R.Br.
- "Gomphrena floribunda" J.Palmer
- "Gomphrena fuscipellita" T.Ortuño & Borsch
- "Gomphrena gardneri" Moq.
- "Gomphrena glabratoides" (Suess.) J.C.Siqueira
- "Gomphrena globosa" L.
- "Gomphrena graminea" Moq.
- "Gomphrena guaranitica" Chodat
- "Gomphrena haageana" Klotzsch
- "Gomphrena haenkeana" Mart.
- "Gomphrena hatschbachiana" Pedersen
- "Gomphrena hermogenesii" J.C.Siqueira
- "Gomphrena hilariana" Moq.
- "Gomphrena hillii" Suess.
- "Gomphrena humifusa" J.Palmer
- "Gomphrena humilis" R.Br.
- "Gomphrena incana" Mart.
- "Gomphrena insignis" Briq.
- "Gomphrena involucrata" Ewart
- "Gomphrena kanisii" J.Palmer
- "Gomphrena lacinulata" J.Palmer
- "Gomphrena lanata" R.Br.
- "Gomphrena lanigera" Pohl ex Moq
- "Gomphrena leontopodioides" Domin
- "Gomphrena leptoclada" Benth.
- "Gomphrena leptophylla" (Benth.) J.Palmer
- "Gomphrena leucocephala" Mart.
- "Gomphrena macrocephala" A.St.-Hil.
- "Gomphrena macrorhiza" Mart.
- "Gomphrena magentitepala" J.Palmer
- "Gomphrena mandonii" R.E.Fr.
- "Gomphrena marginata" Seub.
- "Gomphrena martiana" Gillies ex Moq.
- "G. martiana" f. "austrina" Pedersen
- "G. martiana var. "glutinosa" (R.E.Fr.) Pedersen
- "Gomphrena matogrossensis" Suess.
- "Gomphrena mendocina" (Phil.) R.E.Fr.
- "G. mendocina" subsp. "australis" Pedersen
- "Gomphrena meyeniana" Walp.
- "G. meyeniana" var. "acaulis" (Remy) Suess.
- "G. meyeniana" var. "conwayi" (Rusby) Suess.
- "G. meyeniana" var. "tucumanensis" Pedersen
- "Gomphrena microcephala" Moq.
- "Gomphrena mizqueensis" T.Ortuño & Borsch
- "Gomphrena mollis" Mart.
- "Gomphrena moquinii" Seub.
- "Gomphrena nealleyi" J.M.Coult. & Fisher
- "Gomphrena nigricans" Mart.
- "Gomphrena nitida" Rothr.
- "Gomphrena obovata" L.
- "Gomphrena occulta" J.Palmer
- "Gomphrena oroyana" Standl.
- "Gomphrena pallida" (Stuchlík) Pedersen
- "Gomphrena paraguayensis" Chodat
- "G. paraguayensis" subsp. "chacoensis" Pedersen
- "Gomphrena paranensis" R.E.Fr.
- "Gomphrena parviceps" Standl.
- "Gomphrena parviflora" Benth.
- "Gomphrena perennis" L.
- "G. perennis" var. "silenoides" (Chodat) Suess. ex Holzh.
- "G. perennis" var. "subalpina" (Herzog) Suess.
- "G. perennis" var. "suffruticosa" (Griseb.) R.E.Fr.
- "Gomphrena phaeotricha" Pedersen
- "Gomphrena pilosa" (M.Martens & Galeotti) Moq.
- "Gomphrena platycephala" R.E.Fr.
- "Gomphrena pohlii" Moq.
- "G. pohlii" var. "hassleri" (Chodat) Pedersen
- "G. pohlii" var. "hispidula" Seub.
- "Gomphrena potosiana" Suess. & Benl
- "Gomphrena pringlei" J.M.Coult. & Fisher
- "Gomphrena procumbens" Jacq.
- "Gomphrena prostrata" Mart.
- "Gomphrena pulchella" Mart.
- "G. pulchella" subsp. "albisericea" (E.Holzh.) Pedersen
- "G. pulchella" subsp. "rosea" (Griseb.) Pedersen
- "Gomphrena pulvinata" Suess.
- "Gomphrena pumila" Gillies ex Moq.
- "Gomphrena pungens" Seub.
- "Gomphrena pusilla" Benth.
- "Gomphrena radiata" Pedersen
- "Gomphrena regeliana" Seub.
- "Gomphrena riedelii" Seub.
- "Gomphrena riparia" Pedersen
- "Gomphrena rosula" J.Palmer
- "Gomphrena rudis" Moq.
- "Gomphrena rupestris" Nees
- "Gomphrena scandens" (R.E.Fr.) J.C.Siqueira
- "Gomphrena scapigera" Mart.
- "Gomphrena schinziana" Stuchlík
- "Gomphrena schlechtendaliana" Mart.
- "Gomphrena sellowiana" Mart.
- "Gomphrena serrata" L.
- "Gomphrena serturneroides" Suess.
- "Gomphrena sonorae" Torr.
- "Gomphrena sordida" Farmar
- "Gomphrena spissa" Pedersen
- "Gomphrena stellata" T.Ortuño & Borsch
- "Gomphrena tenella" (Moq.) Benth.
- "Gomphrena tomentosa" (Griseb.) R.E.Fr.
- "Gomphrena triceps" Pedersen
- "Gomphrena trinervosa" C.C.Towns.
- "Gomphrena trollii" Suess.
- "Gomphrena umbellata" Remy
- "Gomphrena uruguayensis" Suess.
- "Gomphrena vaga" Mart.
- "Gomphrena virgata" Mart.
- "Gomphrena vitellina" Pedersen