In most modern classifications they are placed in the class psilopsida of the filicinophyta 在大多数现代分类系统中，它们被分为真蕨植物门裸蕨植物亚门裸蕨纲。
He sat looking at the greenish sweep of the riding downwards , a clear way through the bracken and oaks 他望着那条马路向下降落里在蕨草和橡树中间形成的一个开口。
It was a large , airy place , with a little spring and a pool of clear water , overhung with ferns 这地方既宽敞又通风。有一小股清泉流入围着蕨草的池子，地是沙地。
Athyriaceae is a large and complex taxon in ferns . it contains about 20 genera , including more than 500 species 蹄盖蕨科是蕨类植物中复杂的大科，大约包括20属， 500余种。
Outside she saw the dog flossie roaming round . the hazel - brake was misted with green , and dark - green dogs - mercury under 他看见狗儿佛萝西在外面徘徊着，绿茸茸的蕨草下面，是些深绿色的水银菜。
Climbing ferns ferns of the family schizaeaceae , found in most parts of the world in warm and tropical regions , including north america 攀援蕨类：分布于温暖的热带区域的蕨类，北美洲也有分布。
The morphologic characters and the ecological plasticity of three dryopteris crassirhizoma populations were studied 摘要对吉林省东部山区的3个粗茎鳞毛蕨种群进行了形态特征及其生态可塑性的研究。
Psilophyta ( whisk ferns ) in the five kingdoms classification scheme , a phylum of vascular seedless plants , the whisk ferns 裸蕨植物门(松叶蕨) ：在五界分类系统中，一门不产生种子的维管植物，松叶蕨。
Devonian fossil plant considered one of the earliest forms of vascular land plants ; similar to genus rhynia but smaller 被认为是有脉管的陆地植物的最初形式之一的泥盆纪化石植物；与鹿角蕨属相似，较小。
In which 279 ferns , in 50 families and 114 genera are native to guangdong , distributed mainly in northern and central guangdong 其中野生乡土蕨类共279种，隶属于50科114属，其地理分布以粤北和粤中为多。
