. _:b76629238 . "Pterothamnion polyacanthum" . "H8e4f804dd41fc10f" . _:b75410237 "H8e4f804dd41fc10f" . . _:b75927675 . . "Pterothamnion polyacanthum" . . _:b75927675 "GBIF id" . _:b75927675 . . . _:b76629238 . . "(K\u00FCtz.) N\u00E4geli, 1862" . "Pterothamnion polyacanthum (K\u00FCtz.) N\u00E4geli, 1862" . _:b76629238 . "144684" . "365731" . _:b75410237 . "Pterothamnion polyacanthum" . _:b75410237 . _:b75927675 . . _:b76629238 "144684" . _:b75927675 "2657079" . "2657079" . . . _:b76629238 "WoRMS id" . _:b75410237 . . _:b75410237 "AlgaeBase id" .