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|Family: Dennstaedtiaceae||View Description||Dichotomous Key|
|Genus: Pteridium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Leaf: arched; stipe 10--100 cm; blade generally 15--150 cm, widely-triangular, leathery, generally 3-pinnate below, lower pinnae generally longest, +- 45° from axis; segments or lobes generally 0.5--2 cm, 3--6 mm wide, oblong, round at tip, hairs abaxially, sometimes adaxially, generally dense, straight or +- kinked, clear.
Ecology: Pastures, woodland, meadows, hillsides, partial to full sun; Elevation: < 3200 m. Bioregional Distribution: CA-FP (exc GV), Wrn; Distribution Outside California: to Alaska, South Dakota, northwestern Mexico; also eastern Canada, northeastern United States. Toxicity: TOXIC in quantity to livestock, humans; cooking removes some toxins, but carcinogens may remain. Note: Other varieties in eastern United States, Mexico, Eurasia, Africa, Pacific.
eFlora Treatment Author: John C. Game, Alan R. Smith & Thomas Lemieux
Jepson Online Interchange
Previous taxon: Pteridium
Next taxon: Dryopteridaceae
Citation for this treatment: John C. Game, Alan R. Smith & Thomas Lemieux 2016. Pteridium aquilinum var. pubescens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=64626, accessed on December 03, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 03, 2016.