X. aberdarica, X. acrophila, X. acuminata, X. acutifolia, X. adusta, X. aemula, X. affinis, X. albescens, X. albiflora, X. almae, X. altissima, X. ambigua, X. americana, X. amorimii, X. anceps, X. andina, X. angularis, X. angustifolia, X. anisophylla, X. aphylla, X. applanata, X. apureana, X. aquatica, X. aracamunae, X. arachnoidea, X. araracuare, X. archeri, X. arenicola, X. arescens, X. aristata, X. aristida, X. asperata, X. asperula, X. asterocephala, X. asterotricha, X. atrata, X. atriceps, X. atrospicata, X. atrovirida, X. augusto-coburgi, X. augusto-coburgii, X. aurea, X. bahiana, X. bahiensis, X. bakeri, X. baldwiniana, X. bampsii, X. bancana, X. baronii, X. barteri, X. batokana, X. baumii, X. bayardii, X. bialata, X. bicarinata, X. bicephala, X. bicostata, X. bissei, X. bituberosa, X. blanchetiana, X. blepharophylla, X. bobartioides, X. boliviana, X. borneensis, X. brachyfolia, X. brachysepala, X. bracteata, X. brasiliensis, X. brevifolia, X. brownii, X. brunnea, X. buengkanensis, X. bulbosa, X. byssacea, X. cachimbensis, X. calcarata, X. calcicola, X. calderonii, X. calocephala, X. calostachys, X. canadensis, X. caparaoensis, X. capensis, X. capillaris, X. capito, X. capnoides, X. carinata, X. caroliniana, X. castanea, X. celiae, X. chapmanii, X. cheumatophila, X. chimantae, X. chinensis, X. chlorocephala, X. ciliata, X. cipoensis, X. cocinna, X. coerulea, X. columbiana, X. commita, X. commixta, X. communis, X. complanata, X. compressa, X. concinna, X. confusa, X. congdonii, X. congensis, X. conifera, X. connectens, X. connosepala, X. conocephala, X. consanguinea, X. consolida, X. contracta, X. coronata, X. correlliorum, X. coutensis, X. crassifunda, X. cristata, X. cryptantha, X. cuatrecasana, X. cubana, X. culmenicola, X. curassavica, X. curtissii, X. cylindrostachya, X. cyperoides, X. dajacensis, X. dardanoi, X. dawsonii, X. decipiens, X. decussata, X. delicatula, X. densa, X. denticulata, X. desertorum, X. diamantinae, X. diaphanobracteata, X. difformis, X. dilatatiscapa, X. dilungensis, X. dispar, X. dissimilis, X. dissitifolia, X. disticha, X. dolichosperma, X. downsiana, X. drummondii, X. duidensis, X. dusenii, X. ednae, X. egleri, X. ekmanii, X. elata, X. elegantula, X. eleocharoides, X. elliottii, X. elongata, X. emarginata, X. epicarae, X. eriophora, X. eriophylla, X. erosa, X. erubescens, X. erythema, X. esmeraldae, X. exigua, X. exilis, X. exserta, X. extensa, X. extensula, X. fallax, X. falx, X. fascicularis, X. ferreirae, X. festucifolia, X. fibrosa, X. filifolia, X. filiformis, X. filiscapa, X. fimbriata, X. fistulosa, X. flabellata, X. flabelliformis, X. flexifolia, X. flexuosa, X. floridana, X. foliolata, X. fontanesiana, X. formosana, X. foveolata, X. fragilis, X. frequens, X. friesii, X. frondosa, X. fugaciflora, X. fuliginea, X. fusca, X. fusiformis, X. garcia-barrigae, X. gardneri, X. gerrardii, X. glabra, X. glabrata, X. glandacea, X. glaucella, X. glaucescens, X. glaziovii, X. globosa, X. glochidiata, X. gongylospica, X. gossweileri, X. goyazensis, X. gracilescens, X. gracilis, X. gracillima, X. graminifolia, X. graminosa, X. grandiceps, X. grandis, X. graniticola, X. graomogolensis, X. grisebachii, X. guaranitica, X. guianensis, X. guillauminii, X. guillenii, X. gymnoptera, X. harleyi, X. hatschbachii, X. hatschhachii, X. hilariana, X. hildebrandtii, X. huberi, X. huillensis, X. humilis, X. humpatensis, X. hymenachne, X. hystrix, X. imitatrix, X. inaequalis, X. indica, X. indivisa, X. insignis, X. insularis, X. intermedia, X. intersita, X. involucrata, X. iridifolia, X. isoetifolia, X. itambensis, X. itatiayensis, X. jataiana, X. jauana, X. jolyi, X. juncea, X. juncifolia, X. jupicai, X. kibaraensis, X. kornasiana, X. kradungensis, X. kukenaniana, X. kundelungensis, X. kwangolana, X. labatii, X. lacera, X. lacerata, X. laciniata, X. laevigata, X. laevis, X. lagoinhae, X. lanata, X. laniceps, X. lanuginosa, X. lanulobractea, X. lappacea, X. laxiflora, X. laxifolia, X. ledermannii, X. lejolyanus, X. leonensis, X. leptophylla, X. leptostachya, X. liesneri, X. linifolia, X. lithophila, X. lobbii, X. lomatophylla, X. lonchophylla, X. longibracteata, X. longiceps, X. longifolia, X. longiscapa, X. longiscapus, X. longisepala, X. louisianica, X. lucida, X. luetzelburgii, X. lugubris, X. lutescens, X. macbrideana, X. machrisiana, X. macrocephala, X. madagascariensis, X. makuensis, X. malaccensis, X. mallocephala, X. malmeana, X. malmei, X. mantuensis, X. marginata, X. maritima, X. marojejyensis, X. martiana, X. maxima, X. megapotamica, X. melanocephala, X. melanopoda, X. melanovaginata, X. mello-barretoi, X. membranibracteata, X. mentiens, X. mertensiana, X. metallica, X. mexiae, X. mexicana, X. microcephala, X. mima, X. minarum, X. minima, X. montana, X. montivaga, X. moraesii, X. morii, X. mucujensis, X. muelleri, X. multicaulis, X. natalensis, X. navicularis, X. neblinae, X. neglecta, X. neocaledonica, X. nigrescens, X. nigricans, X. nigromucronata, X. nilagirensis, X. nilssonii, X. nitida, X. nivea, X. novoguineensis, X. nubigena, X. obcordata, X. oblata, X. obscura, X. obtusiuscula, X. oligantha, X. operculata, X. oreophila, X. organensis, X. ornithoptera, X. oryzetorum, X. oxylepis, X. paleacea, X. pallescens, X. pallida, X. pallidula, X. paludosa, X. panacea, X. pancheri, X. papillosa, X. papuana, X. paradisiaca, X. paraensis, X. partita, X. parvula, X. pauciflora, X. paulensis, X. pectinata, X. peregrina, X. perrotetii, X. perrottetii, X. peteri, X. phaeocephala, X. picea, X. pilosa, X. pirapamae, X. piraquarae, X. piresiana, X. plantaginea, X. platicaulis, X. platycaulis, X. platylepis, X. platystachya, X. pocockiae, X. popeana, X. popeanus, X. porcata, X. porphyrea, X. pranceana, X. pratensis, X. prolificans, X. ptariana, X. pterygoblephara, X. pubescens, X. pumila, X. purshii, X. pusilla, X. quinquenervis, X. radula, X. ramboi, X. regnelli, X. regnellii, X. rehmannii, X. reitzii, X. reptans, X. restiacea, X. retrorsifimbriata, X. retusa, X. rhodesiana, X. rhodolepis, X. rhombipetala, X. ridleyi, X. riedeliana, X. rigida, X. rigidaeformis, X. rigidescens, X. riparia, X. robusta, X. roraimae, X. roycei, X. rubella, X. rubrolimbata, X. rubromarginata, X. rugulosa, X. rupicola, X. sanguinea, X. savanensis, X. scabra, X. scabridula, X. scabrifolia, X. sceptrifera, X. schizachne, X. schliebenii, X. schneeana, X. schoenoides, X. scirpoides, X. sellowiana, X. semifuscata, X. serotina, X. setacea, X. setigera, X. seubertiana, X. seubertii, X. shepherdiana, X. simulans, X. sincorana, X. sipapoa, X. smalliana, X. sontanesiana, X. sororia, X. sparsifolia, X. spathacea, X. spectabilis, X. sphaerocephala, X. spinulosa, X. spiralis, X. spruceana, X. stenocephala, X. stenophylla, X. stenophylloides, X. stenostachya, X. steyermarkii, X. straminea, X. stricta, X. strobilifera, X. subaristata, X. subasperula, X. subcomplanata, X. subglabrata, X. submetallica, X. submontana, X. subnavicularis, X. subsetigera, X. subtenella, X. subtilis, X. subulata, X. subuniflora, X. subvacillans, X. sulcatifolia, X. sumatrana, X. surinamensis, X. symoensii, X. tasmanica, X. tatei, X. teinosperma, X. tenella, X. tennesseensis, X. tenuifolia, X. teres, X. teretifolia, X. terrestris, X. thailandica, X. theodori, X. thompsonii, X. thysanolepis, X. tillettii, X. tomentosa, X. toronoana, X. torta, X. tortilis, X. tortula, X. trachyphylla, X. trachysperma, X. trichocephala, X. trichophylla, X. triquetra, X. trisperma, X. tristis, X. tuberosa, X. uleana, X. umbilonis, X. uninervis, X. unistriata, X. ustulata, X. vacillans, X. vaginata, X. valdeapiculata, X. valida, X. vanderystii, X. vaupesiana, X. venezolana, X. veruina, X. vestita, X. villosicarinata, X. vivipara, X. walkeri, X. wallichii, X. wawrae, X. weberi, X. welwitschii, X. witsenioides, X. wurdackii, X. xiphophylla, X. yapacanensis, X. yapobodensis, X. yutajensis, X. zahlbruchneri, X. zahlbruckneri, X. zombana Note: list containing potentially synonyms |