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Bazzania polita sp. nov., a rare New Zealand species (Lepidoziaceae, Marchantiophyta) with an assessment of branching type as a character 新西兰稀有物种 Bazzania polita sp.
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.5
D. Glenny, Stella Fish
Bazzania polita sp. nov. is described from New Zealand from two collections. It resembles B. exempta in having leafy branches that are predominantly ventral-intercalary, but the leaves are more broadly rectangular, and the dorsal leaf margin is more ampliate. The underleaves of B. polita are connate with the leaves on both sides versus free in B. exempta, and they are toothed as well as lobed versus lobed but untoothed in B. exempta. Neither leaves nor underleaves of B. polita are caducous (leaves are caducous in B. exempta). The hyaline portion of the underleaf surface and the leaf margins of B. polita are asperulate, versus smooth throughout in B. exempta. Seven New Zealand species that commonly have leafy ventral-intercalary branches were sampled for variation between populations. In five species the proportion of leafy ventral-intercalary branches varied a great deal, suggesting that branching type in these species is environmentally influenced. If a species with a high proportion of leafy ventral-intercalary branches is known from a single specimen, it cannot be concluded that this is a constant feature of the species.
Bazzania polita sp.它与 B. exempta 很相似,叶枝主要呈腹侧间生,但叶片更宽呈长方形,叶背边缘更宽。polita 的叶下两侧与叶片合生,而 B. exempta 的叶下两侧游离,叶下有齿和浅裂,而 B. exempta 的叶下有浅裂但无齿。polita 的叶片和叶下均不早落(B. exempta 的叶片早落)。polita 的叶下表面和叶缘的透明部分有细锯齿,而 B. exempta 的整个叶缘都很光滑。我们对新西兰 7 个通常具有多叶腹间枝的物种进行了采样,以了解不同种群之间的差异。在五个物种中,多叶腹间枝的比例差异很大,这表明这些物种的分枝类型受环境影响。如果一个物种的单个标本就具有很高比例的多叶腹际枝,那么就不能断定这是该物种的恒定特征。
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引用次数: 0
Anoectangium stracheyanum and Pseudocrossidium hornschuchianum (Pottiaceae, Bryophyta) in New Zealand 新西兰的 Anoectangium stracheyanum 和 Pseudocrossidium hornschuchianum(Pottiaceae,裸子植物门
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.19
B. O. V. Zanten, P. Sollman
The first author has made six bryological expeditions to New Zealand, in 1959, 1968, 1973–1974, 1982, 1993 and 2000 (van Zanten 2019). In 1993 both authors collected in 106 sites, from both the North and South Island, resulting in a collection of about 1700 numbers. All the material is deposited in the herbarium Leiden (L), except for a smaller part that is at the moment not yet fully accessible. The first author did many preliminary identifications in his large New Zealand collections. Experiments were conducted from these collections utilizing the spores from fruiting material with several resulting publications, including van Zanten (1978) and van Zanten & Pócs (1981). The second author gathered mainly tiny acrocarpous mosses, on the whole pottiaceous material. We found it worthwhile to publish here two mosses that are apparently new records for New Zealand.
第一位作者分别于 1959 年、1968 年、1973-1974 年、1982 年、1993 年和 2000 年对新西兰进行了六次生物考察(van Zanten,2019 年)。1993 年,两位作者在南岛和北岛的 106 个地点进行了采集,采集数量约为 1700 个。所有材料都保存在莱顿标本馆(L),只有一小部分目前尚未完全开放。第一位作者在他大量的新西兰藏品中进行了许多初步鉴定。利用这些采集物中的果实孢子进行了实验,并发表了几篇论文,包括 van Zanten (1978) 和 van Zanten & Pócs (1981)。第二位作者收集的主要是微小的尖果苔藓,总体上是盆栽材料。我们认为值得在此发表两种苔藓,它们显然是新西兰的新记录。
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引用次数: 0
Kahakuloa operculispora, a new Hawaiian simple thalloid liverwort in a new genus and family, Kahakuloaceae (Fossombroniales) Kahakuloa operculispora,夏威夷新属、新科 Kahakuloaceae(Fossombroniales)中的一种新的单叶状肝草
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.4
A. V. Freire, E. Judziewicz, D. Cargill, L. Forrest, S. Gradstein, Hank L. Oppenheimer, Zachary Pezzillo, Sol Sepsenwol
Kahakuloa operculispora, a new simple thalloid liverwort endemic to Hawaiʻi, so far only known from high elevation bogs in western Maui, is described and illustrated. The thallus has prominent reddish-purple rhizoids, uniseriate ventral slime papillae and lacks scales. The plants are dioicous; male plants have antheridia sunken in several rows of dorsal chambers, subtended by scales, while female plants have clustered archegonia enclosed by thick, barrel-shaped involucres that develop serially at the plant apex, before fertilization, and are arranged in a single dorsal row at maturity; perichaetial scales and pseudoperianths (defined as involucres developing after fertilization) are lacking. The capsules are spherical, 2−3 stratose, and dehisce irregularly; the spores are areolate and have a unique operculum-like disk on the proximal face. Molecular and morphological evidence supports placement of the plant in a new genus and family in the order Fossombroniales, suborder Fossombroniineae. Kahakuloa is the first liverwort genus endemic to Hawaiʻi, and Kahakuloaceae is the only known endemic Hawaiian land plant family.
Kahakuloa operculispora 是夏威夷特有的一种新的单厚叶状肝草,迄今为止只在茂宜岛西部的高海拔沼泽中发现过,本报告对其进行了描述并绘制了插图。该苔藓具有突出的红紫色根状茎、单列腹面黏液乳头,缺乏鳞片。植株为雌雄异株;雄株的花药凹陷在几排背室中,被鳞片包着,而雌株则有簇生的原花药,被粗大的桶状总苞包着,这些总苞在受精前在植株先端连续发育,成熟时排列成单排背室;缺乏包被鳞片和假总苞(指受精后发育的总苞)。蒴果呈球形,有 2-3 层,开裂不规则;孢子呈椭圆形,下端有一个独特的厣状花盘。分子和形态学证据支持将该植物归入化石纲、化石亚纲的一个新属和新科。Kahakuloa 是夏威夷特有的第一个肝草属,而 Kahakuloaceae 是唯一已知的夏威夷特有陆生植物科。
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引用次数: 0
Recircumscription of Lopholejeunea sikkimensis (Lejeuneaceae: Marchantiophyta) and its varieties in India 印度 Lopholejeunea sikkimensis(Lejeuneaceae:Marchantiophyta)及其变种的再循环记录
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.14
Priyanka, S. Singh, Arun K. Pandey
The taxonomy of Lopholejeunea sikkimensis var. tenuicostata, L. sikkimensis var. kumaunii and L. sikkimensis var. dentata is evaluated. Based on study of numerous collections of L. sikkimensis, followed by comparison with the protologues of the varieties, we conclude that var. tenuicostata and var. kumaunii are not distinct from the typical variety. Hence both the varieties are placed here under synonymy of L. sikkimensis. Lopholejeunea sikkimensis var. dentata, however, is accepted as a distinct taxon. A detailed revised taxonomic description of L. sikkimensis is provided along with line drawing illustration and photographic plate for future identification and reference.
对 Lopholejeunea sikkimensis var. tenuicostata、L. sikkimensis var.基于对大量 L. sikkimensis 采集品的研究,以及与变种原型的比较,我们得出结论,变种 tenuicostata 和变种 kumaunii 与典型变种没有区别。sikkimensis 的同义词。dentata, however, is accepted as a distinct classon.不过,Lopholejeunea sikkimensis var.sikkimensis 的详细修订分类描述,并附有线描插图和照片板,供今后识别和参考。
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引用次数: 0
Passage of spores of the dung moss Tayloria callophylla (Splachnaceae) through an avian digestive tract—a novel mode of dispersal? 粪藓泰勒藓(Splachnaceae)孢子通过鸟类消化道--一种新的传播方式?
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.18
Ryan J. Deregnier, Juliane Gaviraghi Mussoi, A. Gaskett
The dispersal of reproductive material plays a key role in the ecology of plants. Dung mosses (Splachnaceae), have evolved to utilise insects to disperse spores to habitat sites consisting of dung or dead animals—a marked departure from the wind based spore dispersal seen in other mosses. However, adapting to insect dispersal likely precludes long distance airborne dispersal, and limits dispersal events to the movements of the spore bearing insect. However, there are several disjunct populations of these mosses, incompatible with insect dispersal, raising questions over the manner of their origin. Hypotheses put forward include the dispersal of the mosses to these sites by birds. Here, the possibility that insectivorous birds could internally transport spores is explored by feeding insects bearing spores to captive myna birds. We tested if the spores of the New Zealand dung moss, Tayloria callophylla, can survive gut passage. Ultimately 9 of 10 dung samples produced viable moss colonies after a period of 30 days, demonstrating the survival of the spores through an avian digestive tract. Our results provide evidence for a unique model of dispersal in dung mosses, where a spore bearing insect is eaten by a bird that eats insects transports the spores in its gut over a much greater distance than otherwise likely with the insect alone.
生殖材料的传播在植物生态学中起着关键作用。粪藓(芨芨草科)在进化过程中利用昆虫将孢子散播到由粪便或动物尸体组成的栖息地,这与其他苔藓的风力孢子散播明显不同。然而,适应昆虫传播可能会排除长距离空中传播,并将传播活动限制在携带孢子的昆虫的运动范围内。然而,这些苔藓有几个与昆虫传播不相容的种群,这就引起了人们对其起源方式的疑问。提出的假设包括鸟类将苔藓传播到这些地点。在这里,我们通过给人工饲养的鹩哥喂食带有孢子的昆虫,探讨了食虫鸟类在体内传播孢子的可能性。我们测试了新西兰粪藓泰勒属(Tayloria callophylla)的孢子能否在肠道中存活。最终,10 份粪便样本中有 9 份在 30 天后产生了可存活的苔藓菌落,证明了孢子可以通过鸟类的消化道存活下来。我们的研究结果为粪藓的独特传播模式提供了证据,即带有孢子的昆虫被吃昆虫的鸟类吃掉后,鸟类会将其肠道中的孢子传播到更远的地方,这比单靠昆虫传播的可能性要大得多。
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引用次数: 0
New records and range extensions for liverworts (Marchantiophyta) in the Australian Wet Tropics bioregion 澳大利亚湿热带生物区肝草属(Marchantiophyta)的新记录和分布范围扩展
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.9
D. Meagher, T. Pócs, A. Cairns
Three species of liverworts are reported as new to Australia, all from the Australian Wet Tropics bioregion: Colura corynophora, Drepanolejeunea serricalyx, and D. tricornua. Significant range extensions within the bioregion are reported for another two species. Cololejeunea kapingaensis, previously reported as ramicolous, is here reported as an epiphyll.
据报告,澳大利亚新发现了三种肝草植物,均来自澳大利亚湿热带生物区:Colura corynophora、Drepanolejeunea serricalyx 和 D. tricornua。据报道,另外两个物种在该生物区内的分布范围有显著扩展。Cololejeunea kapingaensis 以前被报告为苎麻属,现在被报告为附生植物。
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引用次数: 0
New insights into the genus Stoneobryum (Bryophyta: Orthotrichaceae) based on recent collections of the two known species 基于最近采集到的两个已知物种,对 Stoneobryum 属(Bryophyta: Orthotrichaceae)的新认识
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.13
F. Lara, I. Draper, R. Garilleti
The morphological traits of the two known species of the genus Stoneobryum are reexamined based on newly collected materials. Observations on the Australian species, S. bunyaense, are derived from a recent collection made at the type locality, where it has been rediscovered. Those of S. mirum are based on recent field collections from numerous locations in eastern South Africa. Comprehensive descriptions of both species and illustrations of their key morphological characters are provided. The new data complement and correct previously available descriptions, especially the original one for the type species of the genus, S. bunyaense. Stoneobryum arises as a highly differentiated genus, well characterized by sporophytic and gametophytic characters. Its two species are very similar, but nevertheless certainly distinct; an identification key is provided.
根据新采集的材料,对石莲花属两个已知种的形态特征进行了重新审视。对澳大利亚物种 S. bunyaense 的观察结果来自最近在其模式产地的采集,该物种是在该产地被重新发现的。对 S. mirum 的观察则基于最近在南非东部多个地点的实地采集。文中对这两个物种进行了全面描述,并对其主要形态特征进行了说明。新数据补充并更正了之前的描述,尤其是对该属模式种 S. bunyaense 的原始描述。Stoneobryum 是一个高度分化的属,孢子体和配子体特征明显。该属的两个种非常相似,但肯定还是有区别的;提供了一个识别钥匙。
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引用次数: 0
Special issue commemorating Dr David Meagher 1956–2023 (Cover) 纪念大卫-米格尔博士 1956-2023 年特刊(封面)
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.1
D. Cargill, Michael Stech, M. Tabua, M. Konrat
Cover
封面
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引用次数: 0
Additional Bryophyte Taxa from the Cook Islands 库克群岛的其他苔藓植物分类群
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.11
John Game, P. J. D. Lange, M. Konrat, M. Tabua, David R. Toren, Gerald Mccormack, John J. Engel, T. Pócs, Gary Merrill, A. SASS-GYARMATI
It is evident that the bryophyte flora of the Cook Islands remains poorly documented. Here, ten moss species and five liverwort species of Lepidoziaceae are newly reported for the Cook Islands. These records include Calomnion denticulatum, previously known only from Samoa, Ectropothecium viridifolium, previously known only from Hawai’i, and Tricholepidozia quadriseta, previously known only from Australia. Also, thirteen new island records of mosses are reported for Outer Islands of the group and additional information is provided for some previously published reports.
很明显,库克群岛的植物区系仍然鲜有记载。在这里,库克群岛新报告了10个苔藓物种和5个肝草物种。这些记录包括以前仅产于萨摩亚的Calomnion denticulatum、以前仅产于夏威夷的Ectropothecium viridifolium和以前仅产于澳大利亚的Tricholepidozia quadriseta。此外,还报告了该群岛外岛的 13 项新的苔藓岛屿记录,并为之前发表的一些报告提供了补充信息。
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引用次数: 0
David Meagher (1956–2023) 戴维-米格尔(1956-2023)
Pub Date : 2023-12-29 DOI: 10.11646/bde.46.1.3
Andi Cairns, Andrew Franks, Niels Klazenga
Described by a leading Australian botanist as ‘Australia’s most competent bryologist’, David Meagher’s broad knowledge of Australian bryophytes was extraordinary. He was well-respected by bryologists around the world for his MSc research on the leafy liverwort genus Bazzania, and his PhD thesis on the bryophytes of Lord Howe Island. In the last twenty years, David published over 60 papers, most with him as the single author but several in collaboration with other Australian bryologists. He described twelve new species of Bazzania, including nine in Australia, two in Papua New Guinea and one in New Zealand. With colleagues he named two new moss species and reported several range extensions and new records in the Australian Wet Tropics. David’s fieldwork on flora and fauna extended to Tasmania, Victoria, New South Wales, Queensland, Lord Howe Island, the Kermadec Islands in the South Pacific, and the mid-west of the USA.
大卫-米格尔被澳大利亚一位著名的植物学家誉为 "澳大利亚最有能力的植物学家",他对澳大利亚植物界的广泛了解是非凡的。他的硕士论文研究了多叶肝草属(Bazzania),博士论文研究了豪勋爵岛(Lord Howe Island)的植物。在过去的二十年里,戴维发表了 60 多篇论文,其中大部分是他本人单独撰写的,但也有几篇是与其他澳大利亚植物学家合作完成的。他描述了 12 个巴扎尼亚新物种,其中 9 个在澳大利亚,2 个在巴布亚新几内亚,1 个在新西兰。他与同事们一起命名了两个苔藓新种,并报告了澳大利亚湿热带地区的几个新种和新记录。戴维对动植物的实地考察足迹遍及塔斯马尼亚、维多利亚、新南威尔士、昆士兰、豪勋爵岛、南太平洋的克马德克群岛和美国中西部。
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引用次数: 0
期刊
Bryophyte diversity and evolution
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