Category:John Thomas Howell taxa
List of taxon names authored by John Thomas Howell.
Pages in category "John Thomas Howell taxa"
The following 46 pages are in this category, out of 46 total.
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- Achillea borealis var. arenicola
- Achillea borealis var. californica
- Alternanthera filifolia
- Alternanthera filifolia subsp. margaritacea
- Alternanthera filifolia subsp. subsquarrosa
- Alternanthera flavicoma
- Alternanthera flosculosa
- Alternanthera galapagensis
- Alternanthera halimifolia subsp. macrophylla
- Alternanthera helleri
- Alternanthera rugulosa
- Alternanthera snodgrassii
- Alternanthera vestita
- Amaranthus anderssonii
- Amaranthus furcatus
- Amaranthus sclerantoides f. rugulosus
- Arctostaphylos edmundsii
- Astragalus nuttallii