Houstonia
pusilla
Schöpf
Subordinate Taxa
Houstonia
pusilla
fo.
albiflora
Standl.
Rhodora 34(405): 177. 1932. (
Rhodora
)
*
Houstonia
pusilla
fo.
albiflora
Wunderlin & M. Hopkins
Transactions of the Illinois State Academy of Science 59: 386. 1966. (
Trans. Illinois State Acad. Sci.
)
Houstonia
pusilla
fo.
rosea
Steyerm.
Rhodora 41(492): 585. 1939. (
Rhodora
)