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机构:
Univ Yaounde I, Higher Teachers Training Coll, Plant Systemat & Ecol Lab, POB 047, Yaounde, Cameroon
Missouri Bot Garden, Africa & Madagascar Dept, POB 299, St Louis, MO 63166 USA
Univ Libre Bruxelles, Herbarium & Bibliotheque Bot Africaine, CP 265,Campus Plaine,Blvd Triomphe, B-1050 Brussels, Belgium Univ Yaounde I, Higher Teachers Training Coll, Plant Systemat & Ecol Lab, POB 047, Yaounde, Cameroon