A
A. Michael Powell
13 works on record
Works
Cacti of Texas, a field guide
Cacti of Texas, a field guide
2008
Trees and shrubs of the Trans-Pecos and adjacent areas
1998
Grasses of the Trans-Pecos and adjacent areas
1994
Trees & shrubs of Trans-Pecos Texas
1988
Cacti of Texas, a field guide
Cacti of Texas, a field guide
Cacti of Texas, a field guide
Cacti of Texas, a field guide
Ferns and Fern Allies of the Trans-Pecos and Adjacent Areas
Cacti of the Trans-Pecos and Adjacent Areas
Grasses of the Trans-Pecos and Adjacent Areas
Chromosome Numbers in the Compositae
Chromosome Numbers in the Compositae
Chromosome numbers in Compositae
Chromosome numbers in Compositae
Additional discussions pertaining to the congeneric status of perityle and laphamia (Compositae)
Additional discussions pertaining to the congeneric status of perityle and laphamia (Compositae)
Taxonomy of Perityle section Pappothrix (compositae - Peritylanae)
Taxonomy of Perityle section Pappothrix (compositae - Peritylanae)