世界世界上有多少種冬蟲夏草？
蟲草分很多種,分別有(you)冬蟲夏草（C. sinensis）、亞香(xiang)棒蟲(chong)草(cao)(C.hawkesii)、北(bei)蟲草(C. militaris)、涼山蟲草(C.liangshanensis)、新(xin)疆蟲草(C.gracilis)、古尼蟲草(C.gunnii)、分枝(zhi)蟲(chong)草(cao)(cao)、藿克蟲(chong)草(cao)(cao)、蛹蟲(chong)草(cao)(cao)、武(wu)夷山蟲(chong)草(cao)(cao)、龍洞蟲(chong)草(cao)(cao)、張(zhang)家界(jie)蟲(chong)草(cao)(cao)、大塔頂蟲(chong)草(cao)(cao)、多殼蟲(chong)草(cao)(cao)、柔柄蟲(chong)草(cao)(cao)、下垂蟲(chong)草(cao)(cao)、江西蟲(chong)草(cao)(cao)、山西(xi)蟲(chong)草(cao)(C.shanxiensis)、四川蟲草、尖頭(tou)蟲草、大團蟲(chong)草（C.ophioglossoides）、巴恩蟲草、貴州蟲草、赤水蟲草、革翅目蟲草、泰山蟲草(C.taishanensis)、擬布(bu)班克蟲(chong)(chong)草、珊瑚蟲(chong)(chong)草、婁山蟲(chong)(chong)草、巴恩蟲(chong)(chong)草、鼠(shu)尾蟲(chong)(chong)草、珊瑚蟲草(martialis)、蟬花(hua)(C.sobolifera)、鐮刀狀蟲草(C.falcata)、綠核蟲(chong)草、澤地蟲(chong)草、茂蘭(lan)蟲(chong)草、布氏蟲(chong)草、高雄山(shan)蟲(chong)草[淡黃蛹(yong)蟲草]、球頭蟲(chong)(chong)草(cao)、金(jin)龜子蟲(chong)(chong)草(cao)、螳螂蟲(chong)(chong)草(cao)、沫蟬蟲(chong)(chong)草(cao)、柄殼蟲(chong)(chong)草(cao)、擬(ni)茂蘭蟲(chong)(chong)草(cao)、細蟲(chong)(chong)草(cao)[黑(hei)錘蟲草]、發(fa)絲(si)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、金(jin)針蟲(chong)(chong)(chong)(chong)(chong)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、日本蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、辛(xin)克萊蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、喙殼蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、擬暗綠蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、峨眉蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、粉被(bei)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、大邑蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、叉尾蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、桫欏蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、蜻(qing)蜓蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、蟻(yi)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、羅伯茨蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、九州蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、細柱蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、戴氏蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、變形(xing)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、稻子山(shan)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、雙梭(suo)孢蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)、古尼(ni)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)等(deng)很(hen)多種(zhong)，廣泛意義上的(de)蟲(chong)(chong)(chong)(chong)(chong)草(cao)(cao)(cao)(cao)，目前已發(fa)現有報道的(de)四百多種(zhong)。其中完全野(ye)生的(de)冬(dong)蟲(chong)(chong)(chong)(chong)(chong)夏草(cao)(cao)(cao)(cao)又被(bei)專業人士分(fen)為青海草(cao)(cao)(cao)(cao)(意思為青海省境內出產)、藏草(部分人士表(biao)述意(yi)思為西藏(zang)自治區境內出產)、川草(意(yi)思為(wei)四川省境內(nei)出產)、甘肅草。它們無一(yi)例外的都生長(chang)在(zai)海拔(ba)3500米以(yi)上的雪域高原的藏(zang)區。
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雖然已發現的品(pin)種繁多(duo)，但其中真正具有藥用價值(zhi)的只有冬蟲夏(xia)草（C. sinensis）一種。
自(zi)古我們華人(ren)醫生(sheng)、藥師(shi)和以前(qian)人(ren)們平時說(shuo)的(de)(de)蟲草(cao)、冬蟲草(cao)、夏草(cao)冬蟲原意(yi)思(si)是(shi)指野生(sheng)的(de)(de)冬蟲夏草(cao)（C. sinensis），冬蟲夏草藏藥名是“牙扎(zha)更(geng)布(bu)”。