ECOPHYSIOLOGICAL STUDIES OF SONORAN DESERT PLANTS. II. SEASONAL PHOTOSYNTHESIS PATTERNS AND PRIMARY PRODUCTION OF AMBROSIA DELTOIDEA AND OLNEYA TESOTA.SZAREK SR; WOODHOUSE RM.1977; OECOLOGIA; ALLEM.; DA. 1977; VOL. 28; NO 4; PP. 365-375; BIBL. 1 P. 1/2Article

ECOPHYSIOLOGICAL STUDIES OF SONORAN DESERT PLANTS. I. DIURNAL PHOTOSYNTHESIS PATTERNS OF AMBROSIA DELTOIDEA AND OLNEYA TESOTA.SZAREK SR; WOODHOUSE RM.1976; OECOLOGIA; ALLEM.; DA. 1976; VOL. 26; NO 3; PP. 225-234; BIBL. 1 P.Article

LIFE CYCLE CHARACTERISTICS OF MACHAERANTHERA GRACILIS (COMPOSITAE) IN DESERT HABITATSMONSON RK; SZAREK SR.1981; OECOLOGIA; ISSN 0029-8549; DEU; DA. 1981; VOL. 49; NO 1; PP. 50-55; BIBL. 20 REF.Article

ECOPHYSIOLOGICAL STUDIES OF SONORAN DESERT PLANTS. VII. PHOTOSYNTHETIC GAS EXCHANGE OF WINTER EPHEMERALS FROM SUN AND SHADE ENVIRONMENTSWALLACE CS; SZAREK SR.1981; OECOLOGIA; ISSN 0029-8549; DEU; DA. 1981; VOL. 51; NO 1; PP. 57-61; BIBL. 15 REF.Article

ECOPHYSIOLOGICAL STUDIES OF SONORAN DESERT PLANTS. IV: SEASONAL PHOTOSYNTHETIC CAPACITIES OF ACACIA GREGGII AND CERCIDIUM MICROPHYLLUMSZAREK SR; WOODHOUSE RH.1978; OECOLOGIA; DEU; DA. 1978; VOL. 37; NO 2; PP. 221-229; BIBL. 22 REF.Article

THE OCCURRENCE OF CRASSULACEAN ACID METABOLISM AMONG PLANTS.SZAREK SR; TING IP.1977; PHOTOSYNTHETICA; TCHECOSL.; DA. 1977; VOL. 11; NO 3; PP. 330-342; BIBL. 3 P. 1/2Article

PHYSIOLOGICAL RESPONSES TO RAINFALL IN OPUNTIA BASILARIS (CACTACEAE) = REACTIONS PHYSIOLOGIQUES DE O.B. (C.) A LA PLUIESZAREK SR; TING IP.1975; AMER. J. BOT.; U.S.A.; DA. 1975; VOL. 62; NO 6; PP. 602-609; BIBL. 30REF.Article

RESPIRATION AND GAS EXCHANGE IN STEM TISSUE OF OPUNTIA BASILARIS = RESPIRATION ET ECHANGES GAZEUX DANS LES TISSUS DE TIGE D'O. B.SZAREK SR; TING IP.1974; PLANT PHYSIOL.; U.S.A.; DA. 1974; VOL. 54; NO 6; PP. 829-834; BIBL. 25REF.Article

SEASONAL PATTERNS OF ACID METABOLISM AND GAS EXCHANGE IN OPUNTIA BASILARIS = VARIATIONS SAISONNIERES DU METABOLISME ACIDE ET DES ECHANGES GAZEUX CHEZ O.B.SZAREK SR; TING IP.1974; PLANT PHYSIOL.; U.S.A.; DA. 1974; VOL. 54; NO 1; PP. 76-81; BIBL. 24REF.Article

MOISTURE STRESS EFFECTS ON BIOMASS PARTITIONING IN TWO SONORAN DESERT ANNUALSSZAREK SR; SMITH SD; RYAN RD et al.1982; AM. MIDL. NAT.; ISSN 0003-0031; USA; DA. 1982; VOL. 108; NO 2; PP. 338-345; BIBL. 11 REF.Article