| ◆Higashi A., Yoshikawa H., Watanuki    O. & Harada H. / 2017/ Marine and maritime lichens of Japan (1). Buellia    yoshimurae sp. nov./ Lichenology 16(1): 1-13. | 
	          
		      
		        | ◆Harada H. / 2000/ Taxonomic notes on pyrenocarpous lichens in    Japan (2).  Pyrenocollema halodytes (Nyl.) R.C. Harris in Egan, a marine    cyanolichen./ Hikobia 13: 133-139. | 
	          
		      
		        | ◆Harada H. / 2000/ Three new maritime species of Verrucaria    (lichenized Ascomycota, Verrucariaceae) from Japan./ Bryologist 103: 555-562. | 
	          
		      
		        | ◆Harada H. / 1999/ Thelenella luridella (lichenized Ascomycota,    Thelenellaceae), newly found in Japan./     J. Nat. Hist. Mus. Inst. Chiba 5: 91-95. | 
	          
		      
		        | ◆原田 浩./    1998/ 海岸生アナイボゴケ属地衣類の分類学的研究(2)./ 日本植物学会第62回大会研究発表記録. | 
	          
		      
		        | ◆原田 浩./    1998/ 海岸生アナイボゴケ属地衣類の分類学的研究(3) どこまで明らかになったか./ ライケン11:    33-34. | 
	          
		      
		        | ◆Harada H. / 1998/ Taxonomic notes on the lichen family    Verrucariaceae in Japan (XI).  Thelidium pacificum, a new maritime    species./ Hikobia 12: 289-291. | 
	          
		      
		        | ◆Harada H. / 1998/ Strigula maritima (lichenized Ascomycota,    Strigulaceae), a new maritime species from western Japan./ Bryologist 101:    605-607. | 
	          
		      
		        | ◆Harada H. / 1996/ Taxonomic notes on the lichen family    Verrucariaceae in Japan (VI).  Verrucaria maura in Japan./ Hikobia    12(1): 55-59. | 
	          
		      
		        | ◆Harada H. / 1995/ Two new species of maritime lichens in the    genus Verrucaria (Lichenes, Verrucariaceae) from Japan./ Nova Hedwigia    60(1-2): 73-78. | 
	          
		      
		        | ◆Harada H. / 1995/ Enterographa praepallens (Lichenes,    Opegraphaceae), an overlooked species of maritime lichen in Japan./ J. Jpn.    Bot. 70: 52-56. | 
	          
		      
		        | ◆Harada H. / 1994/ Taxonomic notes on the lichen family    Verrucariaceae in Japan (V).  Verrucaria iwatsukii Harada sp.    nov. / Hikobia 11(4): 519-522. |