The effects of substrate, temperature, and photoperiod on conidiation of Pyrenophora tritici-repentisHarold W. Platt, R. A. A. Morrall, Hans E. Gruen · First published 1977Open the Tome
Wild flowers of AmericaMary Vaux Walcott, Harold W. Rickett, Dorothy Falcon Platt, H.W. Rickett · First published 1953Open the Tome