SIGNA checklist.
SIGNA checklist.
Vol. 2 has title: SIGNA checklist of Iris.
- [S.l.] : SIGNA, 1999.
- 28 cm.
"Compiled ... for the Species Iris Group of North America."
Includes bibliographical references.
pt. 1. Alphabetical list of Iris species / compiled by Jean Witt -- pt. 2. Alphabetical cultivar list of variations and hybrids of Iris species / compiled by Bob Pries and Jean Witt.
Irises (Plants)
Iridaceae--Classification.
Iridaceae--Nomenclature.
Iridaceae--Varieties.
"Compiled ... for the Species Iris Group of North America."
Includes bibliographical references.
pt. 1. Alphabetical list of Iris species / compiled by Jean Witt -- pt. 2. Alphabetical cultivar list of variations and hybrids of Iris species / compiled by Bob Pries and Jean Witt.
Irises (Plants)
Iridaceae--Classification.
Iridaceae--Nomenclature.
Iridaceae--Varieties.