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(P. ) I.M.Johnst., ?Proc. Amer. Acad. Arts 71: 68. 1936?, 1936.

I.M.Johnst. and I.M.Johnst., (P. ), ?Proc. Amer. Acad. Arts 71: 70. 1936?, 1936.

(P. ) I.M.Johnst., ?Proc. Amer. Acad. Arts 71: 61. 1936?, 1936.

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(P. ) I.M.Johnst., I.M.Johnst., (I. M. J. ), and I.M.Johnst., (G. ), ?Proc. Amer. Acad. Arts 71: 66. 1936?, 1936.

I.M.Johnst. and I.M.Johnst., (P. ), ?Proc. Amer. Acad. Arts 71: 77. 1936?, 1936.