Central America Plants of Costa Rica Explore
Acanthospermum hispidum DC.
Bristly starbur
Asteraceae
60
Acmella uliginosa (Sw.) Cass.
Marsh para cress
Ageratum conyzoides L.
Tropical whiteweed
Asteraceae
134
Ageratum houstonianum Mill.
Mexican ageratum
Asteraceae
1,035
Ambrosia hispida Pursh
Coastal ragweed
Artemisia ludoviciana Nutt.
Louisiana sagewort
Asteraceae
305
Baltimora recta L.
Beautyhead
Asteraceae
13
Bidens alba (L.) DC.
Romerillo
Bidens aurea (Aiton) Sherff
Arizona beggar-ticks
Asteraceae
283
Bidens pilosa L.
Beggar-ticks
Asteraceae
1,092
Bidens reptans (L.) G. Don
Manzanilla trepador
Bidens triplinervia Kunth
Acahual Cimarron
Borrichia arborescens (L.) DC.
Tree seaside tansy
Asteraceae
32
Borrichia frutescens (L.) DC.
Sea oxeye
Asteraceae
83
Calea urticifolia (Mill.) DC.
Jalacate
Calyptocarpus vialis Less.
Creeping Cinderella-weed
Asteraceae
286
Carminatia tenuiflora DC.
Plumeweed
Centratherum punctatum Cass.
Larkdaisy
Asteraceae
187
Chaptalia nutans (L.) Pol.
Silver-puff
Asteraceae
28
Chromolaena ivifolia (L.) R.M. King & H. Rob.
Ivy-leaf Thoroughwort
Chromolaena odorata (L.) R.M. King & H. Rob.
Christmasbush
Asteraceae
39
Cirsium horridulum Michx.
Horrid thistle
Asteraceae
119
Cirsium mexicanum DC.
Mexican thistle
Asteraceae
17
Conyza bonariensis (L.) Cronquist
Fleabane
Asteraceae
89
Conyza canadensis (L.) Cronquist
Canada horseweed
Asteraceae
653
Conyza laevigata (Rich.) Pruski
Manzanilla horseweed
Conyza sumatrensis (Retz.) E. Walker
Guernsey Fleabane
Cosmos caudatus Kunth
Cosmos
Asteraceae
181
Cosmos sulphureus Cav.
Orange cosmos
Asteraceae
1,586
Cotula australis (Sieber ex Spreng.) Hook. f.
Annual-buttonweed
Asteraceae
14
Cotula mexicana (DC.) Cabrera
Mexican brassbuttons
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