Spigelia paraguayensis, Spigelia palmeri, Spigelia nicotianiflora, Spigelia mexicana, Spigelia polystachya, Spigelia hamelioides, Spigelia guianensis, Spigelia longiflora, Spigelia humboldtiana, Spigelia kleinii, Spigelia anthelmia, Spigelia aenea, Spigelia cremnophila, Spigelia caaguazuensis, Spigelia cipoensis, Spigelia chocoensis, Spigelia colimensis, Spigelia megapotamica, Spigelia queretarensis, Spigelia amazonica, Spigelia schultesii, Spigelia genuflexa, Spigelia alabamensis, Spigelia aceifolia, Spigelia amplexicaulis, Spigelia beccabungoides, Spigelia carnosa, Spigelia cascatensis, Spigelia catarinensis, Spigelia heliotropoides, Spigelia herzogiana, Spigelia paraguariensis, Spigelia persicarioides, Spigelia pygmaea, Spigelia ramosa, Spigelia reitzii, Spigelia riedeliana, Spigelia rojasiana, Spigelia tetraptera, Spigelia valenzuelae, Spigelia vestita, Spigelia flemmingiana, Spigelia hedyotidea, Spigelia macrophylla, Spigelia martiana, Spigelia pedunculata, Spigelia pusilla, Spigelia scabrella, Spigelia sellowiana, Spigelia spartioides, Spigelia gentianoides, Spigelia marilandica, Spigelia texana, Spigelia splendens, Spigelia loganioides, Spigelia gracilis, Spigelia leiocarpa, Spigelia petiolata, Spigelia stenophylla, Spigelia speciosa, Spigelia insignis, Spigelia flava, Spigelia coelostylioides, Spigelia chiapensis, Spigelia trispicata, Spigelia beyrichiana, Spigelia laurina, Spigelia olfersiana, Spigelia kuhlmannii, Spigelia hurleyi, Spigelia luciatlantica, Spigelia novogranatensis, Spigelia polystachya, Spigelia pulchella, Spigelia blanchetiana, Spigelia schlechtendaliana, Spigelia asperifolia, Spigelia brachystachya, Spigelia linarioides, Spigelia lundiana, Spigelia glabrata, Spigelia faveolata, Spigelia dolichostachya, Spigelia andina, Spigelia hatschbachii, Spigelia stenocardia, Spigelia andersonii, Spigelia amambaiensis, Spigelia elsieana, Spigelia fontellae, Spigelia sordida, Spigelia hirtula, Spigelia rondoniensis, Spigelia spruceana, Spigelia guerrerensis,