Whorled Rosinweed Silphium asteriscus var. trifoliatum (Linnaeus) J.A. ClevingerS3 (Watch list)    Synonyms: Silphium trifoliatum, Threeleaf Rosinweed.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Asterales   >   Family Asteraceae   >   Genus Silphium   

[View seasonality details]
GAAL WA FR CLMO HO BABC HA CEPGAACVCHSMKEQACNTADOWISOWO
Whorled Rosinweed in Washington Co., Maryland (8/2/2014). Photo by Jim Stasz. (MBP list)

Whorled Rosinweed blooming in Washington Co., Maryland (7/22/2013). Photo by Jim Stasz. (MBP list)

Whorled Rosinweed blooming in Montgomery Co., Maryland (7/31/1980). Photo by Bob Ringler. (MBP list)

Whorled Rosinweed in Washington Co., Maryland (8/2/2014). Photo by Jim Stasz. (MBP list)

Whorled Rosinweed blooming in Montgomery Co., Maryland (8/7/2014). Photo by Fritz Flohr Reynolds. (MBP list)

Whorled Rosinweed (leaves and stem) in Harford Co., Maryland (6/24/2014). Photo by Jim Stasz. (MBP list)

Whorled Rosinweed blooming in Howard Co., Maryland (7/20/1985). Photo by Joanne Solem. (MBP list)


View All Images

Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.