Organisms in Phylum Pterophyta posess leaves that come from underground stems. These organisms consist of ferns and horse tails. The leaves have sporangia clusters underneath them. They reproduce by using spores.

Horsetail (Equisetum Arvense)
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Kingdom plantae. (2010). Retrieved from http://www.svusd.k12.ca.us/schools/lhhs/mccormacks/apbiowebpage/Notes/AP%20Plants%20Notes.pdf
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Kingdom plantae. (2010). Retrieved from http://www.cartage.org.lb/en/themes/sciences/botanicalsciences/majordivisions/KingdomPlantae/KingdomPlantae.htm