Arenaria is a genus of flowering plants, within the family Caryophyllaceae. Species of this genus are among those plants commonly known as "sandworts". Several species formerly classified within Arenaria are now classed in the genera Spergularia, Eremogone and Minuartia. Species Species accepted by the Plants of the World Online as of September 2021: Arenaria acaulis Arenaria achalensis Arenaria aggregata Arenaria alfacarensis Arenaria algarbiensis Arenaria alpamarcae Arenaria altorum Arenaria andina Arenaria angustifolia Arenaria angustifolioides Arenaria antitaurica Arenaria aphanantha Arenaria arcuatociliata Arenaria armerina Arenaria aucheriana Arenaria balansae Arenaria balearica Arenaria benthamii Arenaria bertolonii Arenaria biflora Arenaria bisulca Arenaria boliviana Arenaria bourgaei Arenaria bryoides Arenaria bulica Arenaria capillipes Arenaria cariensis Arenaria carinata Arenaria catamarcensis Arenaria cerastioides Arenaria chiapensis Arenaria cikaea Arenaria ciliata Arenaria cinerea Arenaria conferta Arenaria conica Arenaria conimbricensis Arenaria controversa Arenaria crassipes Arenaria cretica Arenaria deflexa Arenaria delaguardiae Arenaria densissima Arenaria dicranoides Arenaria digyna Arenaria dyris Arenaria eliasiana Arenaria emarginata Arenaria engleriana Arenaria erinacea Arenaria filicaulis Arenaria fontqueri Arenaria fragillima Arenaria funiculata Arenaria geladaindongensis Arenaria gionae Arenaria globiflora Arenaria glochidisperma Arenaria goekyigitii Arenaria gothica Arenaria gracilis Arenaria grandiflora Arenaria graveolens Arenaria guicciardii Arenaria gypsostrata Arenaria halacsyi Arenaria hintoniorum Arenaria hispanica Arenaria hispida Arenaria horizontalis Arenaria humifusa Arenaria huteri Arenaria jamesoniana Arenaria kandavanensis Arenaria katoana Arenaria kotschyana Arenaria kurdica Arenaria ladyginii Arenaria lanuginosa Arenaria latisepala Arenaria leucadia Arenaria libanotica Arenaria ligericina Arenaria livermorensis Arenaria longipedunculata Arenaria ludens Arenaria luschanii Arenaria lycopodioides Arenaria macrocalyx Arenaria macrosepala Arenaria mairei Arenaria mandoniana Arenaria mattfeldii Arenaria mcneillii Arenaria merckioides Arenaria mexicana Arenaria microcalyx Arenaria minutissima Arenaria modesta Arenaria moehringioides Arenaria mons-cragus Arenaria montana Arenaria moritziana Arenaria muralis Arenaria musciformis Arenaria neelgherrensis Arenaria nevadensis Arenaria nitida Arenaria norvegica Arenaria obtusiflora Arenaria oligosperma Arenaria olloixii Arenaria orbicularis Arenaria orbiculata Arenaria orbignyana Arenaria oreophila Arenaria oresbia Arenaria pallens Arenaria paludicola Arenaria pamphylica Arenaria parvifolia Arenaria pedunculosa Arenaria peloponnesiaca Arenaria peruviana Arenaria peyritschii Arenaria phitosiana Arenaria × piifontii Arenaria pintaudii Arenaria pleurantha Arenaria poeppigiana Arenaria polytrichoides Arenaria pomelii Arenaria provincialis Arenaria pseudofrigida Arenaria pungens Arenaria puranensis Arenaria purpurascens Arenaria pycnophylla Arenaria pycnophylloides Arenaria querioides Arenaria radians Arenaria redowskii Arenaria reinholdiana Arenaria reptans Arenaria retusa Arenaria rhodia Arenaria rivularis Arenaria rotundifolia Arenaria runemarkii Arenaria sabulinea Arenaria saponarioides Arenaria saxigena Arenaria semiromica Arenaria serpens Arenaria serpyllifolia Arenaria sipylea Arenaria sivasica Arenaria smithiana Arenaria soratensis Arenaria speluncarum Arenaria standleyi Arenaria stuebelii Arenaria suffruticosa Arenaria taiwanensis Arenaria tejedensis Arenaria tenella Arenaria tenera Arenaria tequilana Arenaria tetragyna Arenaria tetraquetra Arenaria tmolea Arenaria tomentosa Arenaria uninervia