Equistophyta

• Is water needed for reproduction?

  Yes, motile sperm
• What are the identifying charactaristics of equistiophyta?

  Joined stems and whorled leaves (microphylls)

  
• Do horsetails have silica present?

  yes

  
• Do horsetails have homospory?

  Yes

  
• Were horsetails prevalent during the carboniferous?

  yes, tree lycophytes were dominant and they form soft coal

  325 million years