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List of works by Peter Francis Zika

(1818) Proposal to Conserve the Name Impatiens noli-tangere (Balsaminaceae) with a Conserved Type

scientific article (publication date: May 2008)

(2018) Proposal to conserve the name Carex fracta against C. amplectens (Cyperaceae)

scientific article (publication date: June 2011)

A NEW ANNUAL SPECIES OF MINUARTIA (CARYOPHYLLACEAE) FROM OREGON AND CALIFORNIA

scientific article published in 1992

A NEW HYBRID CHERRY, PRUNUS ×PUGETENSIS (P. AVIUM × EMARGINATA, ROSACEAE), FROM THE PACIFIC NORTHWEST

scientific article

A NOMENCLATURAL NOTE ON HASTINGSIA BRACTEOSA AND HASTINGSIA ATROPURPUREA (LILIACEAE)

scientific article published in 1997

A new species of stonecrop (Sedum section Gormania, Crassulaceae) from northern California

scientific article

A noteworthy collection

scientific article published in 2004

A review of Sedum section Gormania (Crassulaceae) in western North America

article

A taxonomic study of Sedum series Rupestria (Crassulaceae) naturalized in North America

scientific article

AN OVERLOOKED HYBRID JAPANESE KNOTWEED (POLYGONUM CUSPIDATUM × SACHALINENSE; POLYGONACEAE) IN NORTH AMERICA

scientific article published in 2003

ASTER NEMORALIS IS EXTANT IN VERMONT

scientific article published in 1988

BOTRYCHIUM MICHIGANENSE SP. NOV. (OPHIOGLOSSACEAE), A NEW NORTH AMERICAN MOONWORT

scientific article published in 2015

Botrychium ascendens W. H. Wagner (Ophioglossaceae) in Newfoundland and Notes on its Origin

CAREX AESTIVALIS IN VERMONT

scientific article published in 1990

CAREX CYRTOSTACHYA (CYPERACEAE), A NEW SPECIES OF SEDGE ENDEMIC TO THE SIERRA NEVADA OF CALIFORNIA

scientific article published in 2013

CAREX SERPENTICOLA (CYPERACEAE), A NEW SPECIES FROM THE KLAMATH MOUNTAINS OF OREGON AND CALIFORNIA

scientific article published in 1998

CONTRIBUTIONS TO THE ALPINE FLORA OF THE NORTHEASTERN UNITED STATES

scientific article published in 1992

CONTRIBUTIONS TO THE FLORA OF VERMONT

scientific article published in 1995

California

California

California

California

Carex albida (Cyperaceae), and its Relationship to Carex lemmonii

scientific article published in 2012

Carex orestera(Cyperaceae), a New Sedge from the Mountains of California

scientific article published in 2012

Carex xerophila(Cyperaceae), a New Sedge from the Chaparral of Northern California

scientific article published in 2014

Colorado

Cotoneaster divaricatus (Rosaceae) naturalized in Massachusetts

article published in 2002

DESCRIPTION OF CAREX KLAMATHENSIS (CYPERACEAE), A RARE SEDGE OF THE KLAMATH REGION OF OREGON AND CALIFORNIA, U.S.A.

scientific article published in 2007

DISCOVERY OF JUNCUS VASEYI (JUNCACEAE) IN VERMONT

scientific article published in 1991

Epitypification Carex bolanderi (Cyperaceae)

scientific article

Impatiens ecornuta, a New Name forImpatiens ecalcarata(Balsaminaceae), a Jewelweed from the United States and Canada

article

Impatiens ×pacifica (Balsaminaceae), a New Hybrid Jewelweed from the Pacific Northwest Coast of North America

scientific article

Invasive Hollies (Ilex, Aquifoliaceae) and Their Dispersers in the Pacific Northwest

scientific article published in 2010

JUNCUS DIGITATUS (JUNCACEAE), A NEW ANNUAL RUSH FROM SHASTA COUNTY, CALIFORNIA, U.S.A.

scientific article published in 2008

Juncus trilocularis (Juncaceae), A New Rush Species from Western North America

scientific article

Lectotypification of the names of two color forms of Impatiens capensis (Balsaminaceae)

scientific article published in March 2006

NEW STATIONS FOR CAREX LIVIDA VAR. GRAYANA AND DRYOPTERIS FRAGRANS IN WASHINGTON COUNTY, VERMONT

scientific article published in 1982

NOTES ON THE FLORA OF WINDHAM COUNTY, VERMONT

scientific article published in 1986

NOTEWORTHY COLLECTIONS

scientific article published in 2003

NOTEWORTHY COLLECTIONS

scientific article published in 1995

NOTEWORTHY COLLECTIONS

scientific article published in 2002

NOTEWORTHY COLLECTIONS

NOTEWORTHY COLLECTIONS

scientific article published in 2000

NOTEWORTHY COLLECTIONS

NOTEWORTHY COLLECTIONS

scientific article published in 1998

NOTEWORTHY COLLECTIONS

NOTEWORTHY COLLECTIONS

NOTEWORTHY COLLECTIONS

article published in 1993

NOTEWORTHY COLLECTIONS

scientific article published in 1992

NOTEWORTHY COLLECTIONS

NOTEWORTHY COLLECTIONS

NOTEWORTHY COLLECTIONS

Oregon

scientific article published in 2005

RANGE EXPANSIONS OF SOME GRASSES IN VERMONT

scientific article published in 1990

RARE PLANTS ON ULTRAMAFIC SOILS IN VERMONT

scientific article published in 1985

THE FIRST RECORD OF ALLIUM VINEALE L. (LILIACEAE) FOR VERMONT

scientific article published in 1987

THE FIRST RECORD OF POA BULBOSA L. (POACEAE) FOR VERMONT

scientific article published in 1986

THE FIRST RECORDS OF GNAPHALIUM SYLVATICUM (ASTERACEAE) AND EMPETRUM EAMESII SSP. ATROPURPUREUM (EMPETRACEAE) IN NEW YORK STATE

scientific article published in 1990

THE FIRST REPORT OF AGROSTIS EXARATA VAR. MONOLEPSIS (POACEAE) IN NEW ENGLAND

scientific article published in 1991

THE RE-DISCOVERY OF SOLIDAGO ODORA AIT. (ASTERACEAE) IN VERMONT

scientific article published in 1984

THE STATUS OF SALIX PELLITA (SALICACEAE) IN NEW YORK STATE

scientific article published in 1991

TRIPHORA TRIANTHOPHORA IN MASSACHUSETTS AND VERMONT

scientific article published in 1983

TWO MORE WEEDS IN MAINE

scientific article published in 2000

TYPIFICATION OF SEDUM RUBROGLAUCUM (CRASSULACEAE)

scientific article published in 2015

The Luzula comosa complex (Luzula section Luzula, Juncaceae) in western North America

scientific article (publication date: 15 January 2015)

The Status of Juncus marginatus (Juncaceae) In California

scientific article published in 2009

The native subspecies of Juncus effusus (Juncaceae) in western North America

scientific article published in 2003

The typification of Cotoneaster symondsii (Rosaceae)

scientific article

VARIATION IN LINNAEA BOREALIS (LINNAEACEAE) ACROSS NORTH AMERICA AND GREENLAND

scientific article published in 2017

Washington

Washington

scientific article published in 2006

Washington

scientific article published in 2008

Wyoming

scientific article published in January 2013