| 词条 | Rubus nefrens |
| 释义 |
|image = |image_caption = |genus = Rubus |species = nefrens |authority = L.H.Bailey 1925 |synonyms_ref = |synonyms = }}Rubus nefrens is a rare North American species of brambles in the rose family. It has been found in scattered locations in the central United States, in Missouri, Iowa, Kentucky, and Ohio. Nowhere is it very common.[1][2] The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.[3] References1. ^Biota of North America Program 2014 county distribution map 2. ^Bailey, Liberty Hyde 1925. Gentes Herbarum; Occasional Papers on the Kinds of Plants 1(5): 239, figure 111 3. ^Flora of North America, Rubus Linnaeus, 1754. Bramble External links
3 : Rubus|Plants described in 1925|Flora of the United States |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。