TY  - JOUR
TI  - A New Subspecies of Pentagramma triangularis (Pteridaceae)
T2  - Madroño; a West American journal of botany
VL  - 54
UR  - https://www.biodiversitylibrary.org/part/169032
PB  - California Botanical Society
CY  - Berkeley
PY  - 2007
SP  - 345
EP  - 353
DO  - 10.3120/0024-9637(2007)54[345:ansopt]2.0.co;2
AU  - Winner, Annette Lewis
AU  - Simpson, Michael G
ER  -