Espécie(s):P. atratum; P. chacoense; P. compressifolium;P. conduplicatum; P. conjugatum; P. conspersum;P. corcovadense; P. cromyorhizon; P. dilatatum; P. fasciculatum;P. guenoarum; P. glaucescens; P. indecorum; P.ionantum; P. jesuiticum; P. jurgensii; P. lenticulare;P. lepton; P. lividum; P. malacophylum;P. mandiocanum;P. maritimum; P. modestum; P. notatum; P. oteroi; P. plicatulum; P. regnelli; P. rhodopedum; P. rojasii; P. simplex; P. vaginatum
