Harvard University Herbaria & Libraries

Asteraceae
GH: 01832443 Hieracium longipilum Torrey ex Hooker USA: Arkansas [data not captured] H. H. Iltis & G. Iltis 5517 1955-6-19
Commelinaceae
GH: 02113764 Tradescantia ohiensis Rafinesque USA: Arkansas [data not captured] H. H. Iltis & G. Iltis 5518 1955-6-19
Fabaceae
GH: 02130614 Orbexilum pedunculatum Rydberg USA: Arkansas [data not captured] H. H. Iltis & G. Iltis 5552 1955-6-19
GH: 02137461 Tephrosia virginiana (Linnaeus) Persoon USA: Arkansas [data not captured] H. H. Iltis & G. Iltis 5563 1955-6-19
Plantaginaceae
GH: 02002232 Penstemon arkansanus Pennell USA: Arkansas [data not captured] H. H. Iltis & G. Iltis 5415 1955-6-10
GH: 01801040 Penstemon tubaeflorus Nuttall USA: Arkansas [data not captured] H. H. Iltis & G. Iltis 5399 1955-6-10
Primulaceae
GH: 01922407 Dodecatheon meadia Linnaeus USA: Arkansas Arkansas River Valley Province: near top of ... H. H. Iltis & G. Iltis 5414 1955-6-10
Ranunculaceae
GH: 01658550 Delphinium carolinianum Walter USA: Arkansas glade overlooking the Arkansas River Valley,... H. H. Iltis & G. Iltis 5408 1955-6-10
GH: 01658553 Delphinium carolinianum Walter USA: Arkansas Southern Springfield Plateau: (T.19N., R.30W... H. H. Iltis & G. Iltis 5551 1955-6-19
Rhamnaceae
GH: 01788865 Ceanothus americanus Linnaeus USA: Arkansas Southern Springfield Plateau: (T. 19 N., R. ... H. H. Iltis & G. Iltis 5559 1955-6-19
Saxifragaceae
GH: 01711043 Heuchera villosa arkansana (Rydberg) E. B. Smith USA: Arkansas near top of northern arm of Horseshoe Mounta... H. H. Iltis & G. Iltis 5389 1955-6-10