James Ellis Humphrey — 1897 · 2 obras en el catálogoObrasTThe Saprolegniaceae of the United States, with notes on otheThe Saprolegniaceae of the United States, with notes on other speciesBBotanical MicrotechniqueBotanical Microtechnique
TThe Saprolegniaceae of the United States, with notes on otheThe Saprolegniaceae of the United States, with notes on other species