Mandayam Jeersannidhi Thirumalachar (22 September 1914 – 21 April 1999), Indian phytopathologist, mycologist and microbiologist.

IPNI standard form: Thirum.

Taxon names authored

(List may be incomplete)

• 7 taxon names authored by Mandayam Jeersannidhi Thirumalachar

Publications

(List may be incomplete)

• Thirumalachar, M.J. & Kern, F.D. 1949. Notes on Some Species of Phakopsora and Angiopsora. Mycologia 41(3): 283-290. DOI: 10.1080/00275514.1949.12017772 Reference page. 
• Thirumalachar, M.J. & Govindu, H.C. 1953. Notes on some Indian Cercosporae. II. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 7(1–4): 45–49, pls. II–III. Cyberliber (Online) Reference page. 
• Thirumalachar, M.J. & Govindu, H.C. 1953. Notes on some Indian Cercosporae. III. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 7(5–6): 309–312, pls. VI–VII. Cyberliber (Online) Reference page. 
• Govindu, H.C. & Thirumalachar, M.J. 1954. Notes on some Indian Cercosporae. IV. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 8(1–6): 221–230, pls. VI–IX. Cyberliber (Online) Reference page. 
• Thirumalachar, M.J. & Govindu, H.C. 1954. Notes on some Indian Cercosporae. V. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 8(1–6): 343–348, pls. XVII–XVIII. Cyberliber (Online) Reference page. 
• Govindu, H.C. & Thirumalachar, M.J. 1955. Notes on some Indian Cercosporae. VI. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 9(1–6): 221–228, pls. III–VI. Cyberliber (Online) Reference page. 
• Thirumalachar, M.J. & Govindu, H.C. 1956. Notes on some Cercosporae of India. VII. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 10(1–6): 258–263, pls. IV–V. Cyberliber (Online) Reference page. 
• Govindu, H.C. & Thirumalachar, M.J. 1956. Notes on some Cercosporae of India. VIII. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 10(1–6): 271–277, pls. VII–X. Cyberliber (Online) Reference page. 
• Thirumalachar, M.J. & Govindu, H.C. 1963 ['1962']. Notes on some Indian Cercosporae. X. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 16(1–6): 284–288, pls. IV–V. Cyberliber (Online) Reference page. 
• Govindu, H.C. & Thirumalachar, M.J. 1965 ['1964']. Notes on some Indian Cercosporae. XI. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 18(1–6): 18–22, pls. I–III. Cyberliber (Online) Reference page. 
• Govindu, H.C., Thirumalachar, M.J. & Nagraj, T.R. 1971 ['1970']. Notes on some Indian Cercosporae. XII. Sydowia: Annales mycologici notitiam scientiae mycologicae universalis 24(1–6): 297–301. Cyberliber (Online) Reference page.