| 词条 | Aphanostephus riddellii |
| 释义 |
| image = | image_caption = | regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |tribus = Astereae | genus = Aphanostephus |species=A. riddellii | binomial=Aphanostephus riddellii |binomial_authority=Torr. & A.Gray }}Aphanostephus riddellii is a North American species of flowering plants in the daisy family, with the common name Riddell’s lazydaisy. It is native to the southwestern and south-central United States (states of New Mexico and Texas), as well as to the state of Coahuila in northern Mexico.[1]Aphanostephus riddellii is perennial herb up to 50 cm (20 inches) tall. It grows in open, sunny locations, often amongst scrub oaks.[2][3][4] The plant is named for American botanist John Leonard Riddell, 1807 – 1865.[4] References1. ^Biota of North America Program 2014 county distribution map 2. ^Flora of North America Vol. 20 Page 352 Plains lazydaisy , Aphanostephus riddellii Torr. & A.Gray 3. ^Turner, B. L. 1984. Taxonomy of the genus Aphanostephus (Asteraceae–Astereae). Phytologia 56: 81–101. 4. ^1 [https://www.biodiversitylibrary.org/page/10009467#page/189/mode/1up Torrey, John & Asa Gray. 1842. Flora of North America 2(2): 189] External links
3 : Astereae|Flora of North America|Plants described in 1842 |
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