A Taxonomic Conspectus of Ceanothus Subgenus Cerastes (Rhamnaceae) von Burge, Dylan O., Zhukovsky, Katherine, Wilken, Dieter H.

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Three Edaphic-Endemic Ceanothus (Rhamnaceae) New to Science von Burge, Dylan O., Rebman, Jon P., Mulligan, Margaret R., Wilken, Dieter H.

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Diversification of Ceanothus (Rhamnaceae) in the California Floristic Province von Burge, Dylan O, Erwin, Diane M, Islam, Melissa B, Kellermann, Jürgen, Kembel, Steven W, Wilken, Dieter H, Manos, Paul S

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REASSESSMENT AND CIRCUMSCRIPTION OF IPOMOPSIS MULTIFLORA AND IPOMOPSIS POLYANTHA (POLEMONIACEAE) von Wilken, Dieter H.

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Diversification ofCeanothus(Rhamnaceae) in the California Floristic Province von Burge, Dylan O., Erwin, Diane M., Islam, Melissa B., Kellermann, Jürgen, Kembel, Steven W., Wilken, Dieter H., Manos, Paul S.

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FLOWERS IN THE GARDEN: WHAT NEXT FOR CALIFORNIA FLORISTICS? von Wilken, Dieter H.

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The Balance between Chasmogamy and Cleistogamy in Collomia grandiflora (Polemoniaceae) von Wilken, Dieter H.

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Variation in Nectar Sugar Composition at the Intraplant Level in Ipomopsis longiflora (Polemoniaceae) von Freeman, C. Edward, Wilken, Dieter H.

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The balance between chasmogamy and cleistogamy in Collomia grandiflora (Polemoniaceae) von Wilken, Dieter H.

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Vegetative and Floral Relationships Among Western North American Populations of Collomia linearis Nuttall (Polemoniaceae) von Wilken, Dieter H.

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Harold D. Harrington (1903–1981) von Wilken, Dieter H.

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Variation in nectar sugar composition at the intraplant level in Ipomopsis longiflora (Polemoniaceae) von Freeman, C.E, Wilken, D.H

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Vegetative and Floral Relationships Among Western North American Populations of Collomia linearis Nuttall (Polemoniaceae) von Wilken, Dieter H.

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A NEW SUBSPECIES OF HULSEA VESTITA (ASTERACEAE) von Wilken, Dieter H.

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Ipomopsis sancti-spiritus (Polemoniaceae), a new species from northern New Mexico von Wilken, D.H, Fletcher, R

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The taxonomic status of Gilia caespitosa (Polemoniaceae) [Utah] von Wilken, Dieter H.

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Collomia tinctoria (Polemoniaceae) in Southern California von Wilken, Dieter H.

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Intergradation among populations of the Ipomopsis aggregata complex in the Colorado Front Range von Wilken, D.H, Allard, S.T

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SEASONAL DIMORPHISM IN BACCHARIS GLUTINOSA (COMPOSITAE) von Wilken, Dieter H.

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Local Differentiation for Phenotypic Plasticity in the Annual Collomia linearis (Polemoniaceae) von Wilken, Dieter H.

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