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Thus today , in many places in the United States where Ribes was once native , wild plants are very difficult to find in nature .
Epiphytes , plants that grow upon other plants for support , are infrequent in the order except in the family Gesneriaceae , which also includes species ...
The roots of the plants secrete substances that stimulate growth and multiplication of ... Sulfur is an essential component of plant and animal tissues .
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review