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You are here: Home / Profile Page / Data Source and Documentation for Penstemon rydbergii A. Nelson var. aggregatus (Pennell) N.H. Holmgren Printer-Friendly Printer-Friendly
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Penstemon rydbergii A. Nelson var. aggregatus (Pennell) N.H. Holmgren
meadow beardtongue

Data Source

Last revised by:
John T. Kartesz, Biota of North America Program
Curated and maintained by:
USDA NRCS National Plant Data Team

Data Documentation

Documentation State Type
Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1972. Intermountain flora: Vascular plants of the Intermountain West. New York Botanical Garden, New York. AZ, UT Literature
Davis, R. 1952. Flora of Idaho. W.C. Brown Co., Dubuque. ID Literature
Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Inc., New York. WY Literature
Hitchcock, C.L., A. Cronquist, M. Ownbey, and J.W. Thompson. 1969. Vascular plants of the Pacific Northwest. 5 vols. University of Washington Press, Seattle. MT Literature
ID. Specimen at University of Idaho, Moscow, Idaho. ID Specimen
IDS. Specimen at Idaho State University, Pocatello, Idaho. ID Specimen
Johnston, B. 1991. List of Colorado plants. Unpublished. CO Literature
Kearney, T., and R.H. Peebles. 1960. Arizona flora with supplement. University of California Press, Los Angeles. AZ Literature
Time Generated: 11/26/2015 11:27 PM MST