. . "Suillus americanus f. helveticus" . . "Suillus americanus f. helveticus (Singer) Klofac, 2013" . _:b76307867 . . _:b76307867 . _:b76307867 . . . . "1037104" . "(Singer) Klofac, 2013" . "807170" . _:b76307867 "Index Fungorum id" . "Suillus americanus f. helveticus" . . _:b76307867 "807170" .