更新时间：2023-02-11 19:23
短肋青藓，青藓科青藓属。
1.叶先端完全回钝··························3.钝头红叶藓B. brachystegium
1.叶先端渐尖，或叶先端呈稍钝，但具小尖头···························2
2.叶片呈卵圆形或卵状披针形；叶缘无分化的边缘·························3
2.叶片呈舌形；叶缘具多列胞壁厚，且平滑无疣的细胞，构成明显分化的边缘··············9
3.叶片呈阔卵圆形；雌苞叶比普通叶较阔大；基部呈鞘状···········10.细红叶藓B. tenerrimum
3.叶片呈披针形；雌苞叶不分化·································4
4．叶边全缘且全部背卷·····································5
4.叶边仅下部全缘，背卷；上部多平展，且有锯齿··························7
5.叶片狭长，呈长卵状披针形，先端狭长渐尖···················9.大红叶藓B. rubrum
5.叶片较短阔，先端较钝，具短尖头································6
6.植株较细小；叶边先端全缘或具微齿，叶基狭且无分化···········8.红叶藓B. recurviroslrum
6.植株较粗壮；叶边先端具不规则的粗锯齿，叶基阔且与上部有明显分化····13.云南红叶藓B. yunnanense
7.植株纤细；叶片厚，疏生紧贴茎上，叶基无分化···············4.锯齿红叶藓B. dentatura
7.植株较粗壮；叶片或多或少倾立，叶基有分化···························8
8.叶边全缘；中肋粗壮，长达叶尖·····················5.无齿红叶藓B. gymnostomum
8.叶边中上部具粗锯齿；中肋至叶尖稍下即消失···························12
9.植株较矮小，茎高约0. 5-2cm叶片呈长椭圆状舌形，叶先端急尖，具小尖头··············10
9.植株长大，茎高约3--5cm；叶片呈长卵披针形，叶先端渐尖··········2.深色红叶藓B. atrorubens
10.叶边具规则的细锯齿，每齿由I个细胞或仅细胞尖部突出形成·········11.东亚红叶藓B. wallichii
10.叶边具不规则的粗锯齿，每1齿由多个细胞构成··························11
11.植株特细小，茎高仅5-7cm；无性芽胞缺如··················6.异叶红叶藓B. hostile
11.植株较大，茎高可达2cm以上；叶腋具多数呈总状花序似的卵球形芽胞体