He divided the mosses into six genera: Mnium, Hypnum, Polytrichum, Bryum, Sphagnum and Lycopodium — classifications that are useful today.
他把藓类分为六个属：提灯藓属、灰藓属、金发藓属、真藓属、泥炭藓属和石松属，这些分类在今天仍然有用。
Polytrichum
原声例句
《卫报》（文章版）
《卫报》（文章版）
During my walks along the Thames, I kept his stunning illustrations to hand and learned to differentiate polytrichum from mnium in his company.
在我沿着泰晤士河散步的时候，我把他那令人惊叹的插图带在手边，还在他的陪伴下学会了区分金发藓和提灯藓。
英语百科
Polytrichum
Polytrichum is a genus of mosses — commonly called haircap moss or hair moss — which contains approximately 70 species that cover a cosmopolitan distribution. (Less common vernacular names include bird wheat and pigeon wheat.)
The Polytrichum genus has a number of closely related sporophytic characters. The scientific name is derived from the Ancient Greek words polys, meaning "many", and thrix, meaning "hair". This name was used in ancient times to refer to plants with fine, hairlike parts, including mosses, but this application specifically refers to the hairy calyptras found on young sporophytes. There are two major sections of Polytrichum species. The first — section Polytrichum — has narrow, toothed, and relatively erect leaf margins. The other — section Juniperifolia — has broad, entire, and sharply inflexed leaf margins that enclose the lamellae on the upper leaf surface.
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