Multiple choice Ectophloic siphonostele is found in Osminda and Equisetum Adiantum and Cucurbitaceae Marsilea and Botrychiun Dicksonia and Maidenhair fern Reveal answer Fill a bubble to check yourself C Correct answer Explanation Ectophloic siphonostele is a type of stele with pith that has the phloem only on the outside of the xylem. It is found in Marsilea and Botrychiun.