海量图书期刊资源,随时随地畅享阅读乐趣
Pollination of Castilleja sessiliflora in Southern WisconsinFrank S. Crosswhite and Carol D. Crosswhite · Bulletin of the Torrey Botanical Club · 1970
Insect Pollinators of Penstemon Series Graciles (Scrophulariaceae) with Notes on osmia and Other MegachilidaeFrank S. Crosswhite and Carol D. Crosswhite · American Midland Naturalist · 1966
SUBDIVISIONS OF PENSTEMON SECTION PENSTEMONFRANK S. CROSSWHITE · SIDA, Contributions to Botany · 1965
Concerning Penstemon Unilateralis and Penstemon SecundiflorusFrank S. Crosswhite · The Southwestern Naturalist · 1965
Castilleja roei (Scrophulariaceae)Frank S. Crosswhite · American Midland Naturalist · 1970
AN INCORRECT CORRECTIONFRANK S. CROSSWHITE · Rhodora · 1969
REVISION OF PENSTEMON SECTION CHAMAELEON (SCROPHULARIACEAE)FRANK S. CROSSWHITE · SIDA, Contributions to Botany · 1966
DIRCA PALUSTRIS (THYMELAEACEAE): NEW TO LOUISIANAR. Dale Thomas · SIDA, Contributions to Botany · 1973
Sida Book ReviewsReview by: Dottie M. Woodson · SIDA, Contributions to Botany · 1991
Front MatterSIDA, Contributions to Botany · 1962
THE GENUS RHEXIA (MELASTOMATACEAE)R. KRAL and P. E. BOSTICK · SIDA, Contributions to Botany · 1969
Front MatterSIDA, Contributions to Botany · 1976
GAURA ODORATA LAG. (ONAGRACEAE) IN LOUISIANAKarl A. Vincent · SIDA, Contributions to Botany · 1980
HOLOSTEUM UMBELLATUM (CARYOPHYLLACEAE) IN ONTARIOJames S. Pringle · SIDA, Contributions to Botany · 1980