在印度東北部曼尼普爾邦(Manipur) 杉葉石松(Huperzia squarrosa)是一種稀有的附生擬蕨類，僅出現於特定的某些地方。他被視為神聖的植物，並已經廣泛地在當地市場交易多年。這個物種在傳統和園藝用途上具有很大的可持續性利用潛力。為了解石松的生物學，本研究提供一個詳細的分類研究，包含該物種的生態、生命週期、繁殖、人工繁殖技術和目前的保護現狀等資料；並特別強調石松的重要採收準則以及如何保育等等的建議。

The tassel fern, Huperzia squarrosa (G. Forst.) Trev. is a rare epiphytic fern ally found in specific localities of the state Manipur, North East India. Regarded as a sacred plant, it has been traded extensively from ages in local markets. The species has great potential in terms of sustainability and exploited for traditional and horticultural purposes. To understand the biology of tassels, a detailed study on taxonomy is provided along with data on ecology, life cycle, reproduction, propagation
techniques and current conservation status of the species. Significant harvesting guidelines and recommendations along with features that could enhance their conservation were also highlighted