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首页> 外文期刊>Bryologist >Psoroma spinuliferum (Pannariaceae), a new corticolous lichen species from Alaska with two different types of cephalodia
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Psoroma spinuliferum (Pannariaceae), a new corticolous lichen species from Alaska with two different types of cephalodia

机译：Psoroma Spinuliferum（Pannariaceae），来自阿拉斯加的新的鞘族地产物种，具有两种不同类型的头孢氨酸

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摘要

The species Psoroma spinuliferum is described here as new to science. It is only known from the holotype on a Picea sitchensis trunk near a sea-shore in southern, coastal Alaska. The species is distinct in having short, brittle, spinule-like hairs on both apothecium margins, thalline squamules and on pulvinate to coarsely coralloid cephalodia with emerald-colored Nostoc photobionts. These spinules are unique within Pannariaceae as they are developed on both the chlorobiont and on one of two cyanobionts, but it is uncertain whether they can act as vegetative propagules. The presence of two types of cephalodia is also unique within Pannariaceae. The second type consists of glabrous, small-foliose, geotropically arranged cephalodia, containing a Nostoc strain with cells of an intense ultramarine color, when observed after long storage. The species also has shorter ascospores than Psoroma paleaceum, another hairy species. The hair types of Psoroma hypnorum and P. paleaceum are here by contrast referred to as tomentum and scales, respectively.
机译：物种Psoroma Spinuliferum在此描述为新的科学。它只从南部的南部的海岸附近的Picea Sitchensis后备箱中的全型清除了。这些物种在具有鲜绿色的Nostoc光上的粗糙的脊髓囊肌上具有短，脆性，肌肉状毛发的短，脆弱的纺丝状毛发，与鲜绿色的Nostoc光子腐蚀性的尖峰头肌。这些梭菌在Pannariaceae内是独一无二的，因为它们在氯酮和两个Cyanobion中的一个上开发，但它不确定它们是否可以充当营养繁殖。两种类型的头孢氨酸的存在也是鲍尼西亚的独特。第二种类型由无毛，小叶片，肌肤地布置的头孢菌菌，当长储存后观察到时，含有鼻孔菌株的细胞，其具有激烈的纯色的细胞。这些物种还具有比牛头马驼较短的囊孢子，另一种毛茸茸物种。 Pauroma催眠的头发类型和P.Paleaceum分别是由对比称为TOMentum和鳞片的。

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