Wedelia

Overall view of plants in habitat on steep hillside outcrops of volcanic welded tuff along upper canyon rim.

Fruit body 4 mm long; photographed in Las Cruces Nov 8 2016

plant on hillside slope with calcareous gravels over limestone on low crest of eroding hill. View of achenes.

Plants on steep hillside outcrops of volcanic welded tuff along upper canyon rim.

plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.

Plants on steep hillside outcrops of volcanic welded tuff along upper canyon rim.

plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.

foliage view. Plants on steep hillside outcrops of volcanic welded tuff along upper canyon rim.

plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.