Pammel, L. B. A manual of poisonous plants: Chiefly of eastern north America, with brief notes on economic and medicinal plants, and numerous illustration.
Chicago-viite (17. p.)Pammel, L. B. A Manual of Poisonous Plants: Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustration.
MLA-viite (9. p.)Pammel, L. B. A Manual of Poisonous Plants: Chiefly of Eastern North America, with Brief Notes on Economic and Medicinal Plants, and Numerous Illustration.
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