WEED FLORA OF S.R.T. CAMPUS BADSHAHI THAUL TEHRI GARHWAL (H.N.B. GARHWAL CENTRAL UNIVERSITY, UTTARAKHAND), INDIA

Weed inventory was conducted in S.R.T. Campus Badshahi Thaul Tehri Garhwal (H.N.B Garhwal Central University, Uttarakhand), India during 2007 to 2010. Plant specimens were collected, dried, pressed and mounted on herbarium sheet and deposited in the Department of Botany, S.R.T. Campus Badshahi Thaul, Tehri Garhwal. The status of each taxa was determined by taking frequency percentage. During the survey, a total of 72 weed species belonging to 56 genera and 27 families were identified. Asteraceae was found to be the most dominant family in the campus contributed 23.6% followed by Fabaceae and Amaranthaceae (9.7%) each. Most of the species were annual (61.1%), followed by perennial and biennial with 36.1% and 2.7%, respectively. Most abundant species were Achyranthes aspera L., Amaranthus virdis L., Bidens pilosa L., Chenopodium album L., Conyza bonariensis (L.) Cronquist., Coronopus didymus (L.) Smith., Cynodon dactylon L., Gallinsoga parviflora (Cav.) Icon. Descr., Eupatorium adenophorum Spren., Parthenium hysterophorus L. and Lespedeza gerardiana Graham ex Maxim.