St. Andrew's Cross
Hypericum hypericoides ssp. multicaule (Michx. ex Willd.) Robson
||Stephen M. Young
Family: st. john's-wort family (Clusiaceae)
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This species has managed to take advantage of disturbance created by humans along sandy powerline rights-of-way. The genus name is from the ancient Greek name for this plant, hypericon and is often found in older texts under the genus Ascyron (Fernald 1950).
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There are six existing populations but only two of them have over 100 plants. The other four are small in number and area. There are six populations from the late 1800s and early 1900s. Three of them have not been rechecked and three of them are considered extirpated because of development.
The short-term trend of most populations is stable or slightly decreasing.
Populations have been destroyed on western Long Island and New York City but new populations have been found on eastern Long Island.