FloraOfNewZealand-Mosses-49-Fife-2021-Orthodontiaceae
The definition of the Orthodontiaceae and the relationships of its core genus, Orthodontium, are confused. Orthodontium was traditionally placed in the Bryaceae (by Brotherus) within its own subfamily, characterised by an absent or very low endostomal membrane and filiform endostomal segments. Australasian authors have largely accepted this placement, albeit usually without reference to the subfamily. Modern molecular studies have concluded that the genera Hymenodon and Leptotheca (both widespread and common in New Zealand) are allied to Orthodontium and their transfer to the Orthodontiaceae has been recently proposed. This family definition emphasises molecular data more than morphology, and it is followed here more from convenience than conviction. The substantial morphological differences between these genera are outlined and preclude a meaningful family morphological description. The three genera are each represented by one species in N.Z. Orthodontium lineare occurs as an epiphyte, on rotten wood, or on humic soil. A proposed segregate species, O. ruahinense, is rejected here. Hymenodon pilifer is broadly distributed regionally, occurring predominantly on the caudices of certain tree-ferns. Leptotheca gaudichaudii is likewise widespread, and occurs terrestrially on a range of substrates, most abundantly in southern beech forests.
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| 필드 | 값 |
|---|---|
| 마지막으로 업데이트된 데이터 | 2021년 6월 13일 |
| 마지막으로 업데이트된 메타데이터 | 2021년 5월 13일 |
| 생성됨 | 2021년 5월 13일 |
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