Bolbitis umbrosa Ching Bolbitis umbrosa Ching, C.Chr., Index Filic., Suppl. Tert. 3: 50. 1934 sec. Mickel & Smith 2004≡Acrostichum umbrosum Liebm., Kongel. Danske Vidensk.-Selsk. Skr. V(1): 174 (seors. 22). 1849 syn. sec. Mickel & Smith 2004