00629nam a22001697a 450000500170000000800410001702000240005804000100008208200180009210000210011024500660013125000130019726000350021030000120024565000200025750501820027720220621174607.0220621b ||||| |||| 00| 0 eng d a9780367779665 (pbk) cUE-CL a580.12bSi643 aSingh, Gurcharan aPlant systematics : an integrated approachc/ Gurcharan Singh a4th ed.  aBoca Raton :bCRC Press,c2019 a549 p.  aPlants--Botany 0 a1. Plants, taxonomy and systematics 2. Descriptive terminology 3. Process of identification 4. Taxonomic evidence 5. Hierarchical classification 6. Botanical nomenclature