University of Tehran Journal of Environmental Studies 1025-8620 30 36 2004 12 21 - - 11044 FA Journal Article 1970 01 01 Ecology Endemism Hemicryptophytes Iran life form Phanerophytes Phytogeography Plant formation Therophytes https://jes.ut.ac.ir/article_11044_4f8b1f68029086755c21186ccb953f26.pdf