BOTANICAL NOTE
The ephemeral appearance of Ambrosia artemisiifolia (Asteraceae) in Warsaw
			
	
 
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				Zakład Botaniki Konserwatorskiej, Polska Akademia Nauk Ogród Botaniczny
– Centrum Zachowania Różnorodności Biologicznej w Powsinie, ul. Prawdziwka 2, 02-973
Warszawa, Polska
				 
			 
										
				
				
		
		 
			
			
		
		
		
		
			
			 
			Online publication date: 2020-12-30
			 
		 		
		
			
			 
			Publication date: 2020-12-30
			 
		 			
		 
	
							
									
		
	 
		
 
 
Fragm. Flor. et Geobot. Pol. 2020; XXVII(2): 714-717
		
 
 
ABSTRACT
Only
one specimen of Ambrosia artemisiifolia was discovered growing among ornamental shrubs on a city lawn
in the Wola district (western part of Warsaw). This is the third locality of it found in Warsaw. Ambrosia artemisiifolia
is a widespread invasive species native to the eastern prairies of North America. It is a noxious
weed, naturalized in boreal, temperate and tropical Eurasia, Africa, Macaronesia, Australia, New Zealand,
Oceania and Hawaii, as well as Alaska, Canada and the southwestern United States.