(16) reebs*. Angiosperms are the flowering plants.. CC-BY 2.0.
(17) Paige Filler.http://www.flickr.com/photos/theequinest/2514581801/. CC-BY
2.0.
(18) http://www.flickr.com/photos/odalaigh/2456681765/. CC-Attribution.
(19) Leesa0502.http://www.flickr.com/photos/wandererwoman/21801215/. CC-BY
2.0.
(20) backpackphotography. Horsetails are common in marshes.. CC-BY 2.0.
(21) http://commons.wikimedia.org/wiki/File:Psilotum.jpg. GNU-FDL.
(22) Sheila Thomson.http://www.flickr.com/photos/sheilaellen/113416073/.
CC-BY 2.0.
(23) David Sim.http://www.flickr.com/photos/victoriapeckham/493717420/.
CC-BY 2.0.
(24) http://www.flickr.com/photos/sararah/2516062323. CC-BY-SA.
(25) Todd Petit.http://www.flickr.com/photos/starmist1/794903253/. CC-BY 2.0.
(26) heydrienne.http://www.flickr.com/photos/heydrienne/22080973/. CC-BY 2.0.
(27) http://www.flickr.com/photos/martinlabar/529695331/. CC-Attribution.
(28) Glenn Fleishman.http://www.flickr.com/photos/glennf/20342176/. CC-BY 2.0.
(29) Benny Mazur.http://www.flickr.com/photos/benimoto/2447130740/. CC-BY
2.0.
(30) Meyers_b15_s0272b.jpg. Public Domain.
(31) Elroy Serrao.http://www.flickr.com/photos/enygmatic/39281344/. CC-BY-SA
2.0.
(32) Mature_flower_diagram.svg. Public Domain.
(33) Jarosław Pocztarski.http://www.flickr.com/photos/j-pocztarski/2495538130/.
CC-BY 2.0.