TY - BOOK TI - American herbal pharmacopoeia: Botanical pharmacognosy-Microscopic characterization of botanical medicines SN - 9781420073263 AV - RS171 .A44 PY - 2011/// CY - Boca Raton PB - CRC Press, Taylor & Francis Group KW - Materia medica, Vegetable--United States KW - Pharmacognosy--United States KW - Botanical microscopy--United States KW - Pharmacopoeias--United States KW - Medicinal plants--United States ER -