Exhibit Item 84
Comparison of Amsinckia Species Nutlets
From Left:
Amsinckia intermedia var. echinata, Fiddleneck
Amsinckia tessellata, Checker fiddleneck
Illustration showing surface features and shape of nutlets of two species of Amsinckia. The nutlets are diagnostic for identification.
Artist: © Matthew B. Johnson
Pen and Ink
Flora of the Gran Desierto and Río Colorado
of Northwestern Mexico, 2000
