. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. Atlas of the Rare Vascular Plants of Ontario/Atlas des plantes vasculaires rares de l'Ontario ASCLEPIADACEAE Asclepias verticillata L. Whorled milkweed Asclépiade verticillée. After / D'après: Woodson 1954 HABITAT: Open, sandy woods. STATUS: Rare in Saskatchewan. Extirpated in Rhode Island; possibly extirpated in Delaware; rare in New Jersey and Pennsylvania. HABITAT: Forêts claires et sablonneuses. SITUATION: Rare en Saskatchewan. Déracinée au Rhode Island; peut-être déracinée au Delaware; rare au New Jersey et en Pennsylvan
. Atlas of the rare vascular plants of Ontario. Rare plants; Botany. Atlas of the Rare Vascular Plants of Ontario/Atlas des plantes vasculaires rares de l'Ontario ASCLEPIADACEAE Asclepias verticillata L. Whorled milkweed Asclépiade verticillée. After / D'après: Woodson 1954 HABITAT: Open, sandy woods. STATUS: Rare in Saskatchewan. Extirpated in Rhode Island; possibly extirpated in Delaware; rare in New Jersey and Pennsylvania. HABITAT: Forêts claires et sablonneuses. SITUATION: Rare en Saskatchewan. Déracinée au Rhode Island; peut-être déracinée au Delaware; rare au New Jersey et en Pennsylvanie. REFERENCES / SOURCES Wilbur, 1976. Life history evolution in seven nnilkweeds of the genus Asclepias. Journal of Ecology 64;223-240. Wilson, , Bertin, & Price. 1979. Nectar production and flower visitors o^ Asclepias verticillata. American Midland Naturalist 102:23-25. Woodson, , Jr. 1954. The North American species of Asclepias L. Annals of the Missouri Botanical Garden 41:1-208. Keddy 1984. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Argus, George W. (George William); National Museum of Natural Sciences (Canada). Botany Division. Ottawa : Botany Division, National Museum of Natural Sciences = Division de la botanique, Musée national des sciences naturelles
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
