P. bangaense, P. berriasianum, P. brevispinum, P. browni, P. cantuchapai, P. carlense, P. coronense, P. danaense, P. deflectum, P. fischeri, P. formosum, P. fosteri, P. foveatum, P. freboldi, P. heimi, P. inornatum, P. josephinense, P. kluense, P. kungaense, P. meraceibaense, P. newkluense, P. nodaculeatum, P. oligoporum, P. parvulum, P. pinguisfloreus, P. quintachillaense, P. ranchitoense, P. rarum, P. riedeli, P. silberlingi, P. sincerum, P. sixi, P. skedansense, P. skidegatense, P. squinaboli (syn. P. corriganensis), P. tanuense, P. tierrablancaense, P. tozeri, P. ultrasincerum, P. westermanni, P. whalenae, P. wui

P. baileyi, P. berriasium, P. buntonense, P. butonense, P. cumshewaense, P. dawsoni, P. haidaense, P. latum, P. moscowiense, P. rothwelli, P. ventosum, P. vigrassi